content/plugin/webplugin_proxy.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/plugin/webplugin_proxy.h"
   6
   7 #include "build/build_config.h"
   8
   9 #include "base/bind.h"
  10 #include "base/lazy_instance.h"
  11 #include "base/memory/scoped_handle.h"
  12 #include "base/memory/shared_memory.h"
  13 #include "build/build_config.h"
  14 #include "content/child/npapi/npobject_proxy.h"
  15 #include "content/child/npapi/npobject_util.h"
  16 #include "content/child/npapi/webplugin_delegate_impl.h"
  17 #include "content/child/npapi/webplugin_resource_client.h"
  18 #include "content/child/plugin_messages.h"
  19 #include "content/plugin/plugin_channel.h"
  20 #include "content/plugin/plugin_thread.h"
  21 #include "content/public/common/content_client.h"
  22 #include "skia/ext/platform_canvas.h"
  23 #include "skia/ext/platform_device.h"
  24 #include "third_party/WebKit/public/web/WebBindings.h"
  25 #include "ui/gfx/blit.h"
  26 #include "ui/gfx/canvas.h"
  27 #include "url/url_constants.h"
  28
  29 #if defined(OS_MACOSX)
  30 #include "base/mac/mac_util.h"
  31 #include "base/mac/scoped_cftyperef.h"
  32 #include "content/plugin/webplugin_accelerated_surface_proxy_mac.h"
  33 #endif
  34
  35 #if defined(OS_WIN)
  36 #include "content/common/plugin_process_messages.h"
  37 #include "content/public/common/sandbox_init.h"
  38 #endif
  39
  40 using blink::WebBindings;
  41
  42 namespace content {
  43
  44 WebPluginProxy::SharedTransportDIB::SharedTransportDIB(TransportDIB* dib)
  45     : dib_(dib) {
  46 }
  47
  48 WebPluginProxy::SharedTransportDIB::~SharedTransportDIB() {
  49 }
  50
  51 WebPluginProxy::WebPluginProxy(
  52     PluginChannel* channel,
  53     int route_id,
  54     const GURL& page_url,
  55     int host_render_view_routing_id)
  56     : channel_(channel),
  57       route_id_(route_id),
  58       window_npobject_(NULL),
  59       plugin_element_(NULL),
  60       delegate_(NULL),
  61       waiting_for_paint_(false),
  62       page_url_(page_url),
  63       windowless_buffer_index_(0),
  64       host_render_view_routing_id_(host_render_view_routing_id),
  65       weak_factory_(this) {
  66 }
  67
  68 WebPluginProxy::~WebPluginProxy() {
  69 #if defined(OS_MACOSX)
  70   // Destroy the surface early, since it may send messages during cleanup.
  71   if (accelerated_surface_)
  72     accelerated_surface_.reset();
  73 #endif
  74
  75   if (plugin_element_)
  76     WebBindings::releaseObject(plugin_element_);
  77   if (window_npobject_)
  78     WebBindings::releaseObject(window_npobject_);
  79 }
  80
  81 bool WebPluginProxy::Send(IPC::Message* msg) {
  82   return channel_->Send(msg);
  83 }
  84
  85 void WebPluginProxy::SetWindow(gfx::PluginWindowHandle window) {
  86   Send(new PluginHostMsg_SetWindow(route_id_, window));
  87 }
  88
  89 void WebPluginProxy::SetAcceptsInputEvents(bool accepts) {
  90   NOTREACHED();
  91 }
  92
  93 void WebPluginProxy::WillDestroyWindow(gfx::PluginWindowHandle window) {
  94 #if defined(OS_WIN)
  95   PluginThread::current()->Send(
  96       new PluginProcessHostMsg_PluginWindowDestroyed(
  97           window, ::GetParent(window)));
  98 #else
  99   NOTIMPLEMENTED();
 100 #endif
 101 }
 102
 103 #if defined(OS_WIN)
 104 void WebPluginProxy::SetWindowlessData(
 105     HANDLE pump_messages_event, gfx::NativeViewId dummy_activation_window) {
 106   HANDLE pump_messages_event_for_renderer = NULL;
 107   BrokerDuplicateHandle(pump_messages_event, channel_->peer_pid(),
 108                                  &pump_messages_event_for_renderer,
 109                                  SYNCHRONIZE | EVENT_MODIFY_STATE, 0);
 110   DCHECK(pump_messages_event_for_renderer);
 111   Send(new PluginHostMsg_SetWindowlessData(
 112       route_id_, pump_messages_event_for_renderer, dummy_activation_window));
 113 }
 114 #endif
 115
 116 void WebPluginProxy::CancelResource(unsigned long id) {
 117   Send(new PluginHostMsg_CancelResource(route_id_, id));
 118   resource_clients_.erase(id);
 119 }
 120
 121 void WebPluginProxy::Invalidate() {
 122   gfx::Rect rect(0, 0,
 123                  delegate_->GetRect().width(),
 124                  delegate_->GetRect().height());
 125   InvalidateRect(rect);
 126 }
 127
 128 void WebPluginProxy::InvalidateRect(const gfx::Rect& rect) {
 129 #if defined(OS_MACOSX)
 130   // If this is a Core Animation plugin, all we need to do is inform the
 131   // delegate.
 132   if (!windowless_context()) {
 133     delegate_->PluginDidInvalidate();
 134     return;
 135   }
 136
 137   // Some plugins will send invalidates larger than their own rect when
 138   // offscreen, so constrain invalidates to the plugin rect.
 139   gfx::Rect plugin_rect = delegate_->GetRect();
 140   plugin_rect.set_origin(gfx::Point(0, 0));
 141   plugin_rect.Intersect(rect);
 142   const gfx::Rect invalidate_rect(plugin_rect);
 143 #else
 144   const gfx::Rect invalidate_rect(rect);
 145 #endif
 146   damaged_rect_.Union(invalidate_rect);
 147   // Ignore NPN_InvalidateRect calls with empty rects.  Also don't send an
 148   // invalidate if it's outside the clipping region, since if we did it won't
 149   // lead to a paint and we'll be stuck waiting forever for a DidPaint response.
 150   //
 151   // TODO(piman): There is a race condition here, because this test assumes
 152   // that when the paint actually occurs, the clip rect will not have changed.
 153   // This is not true because scrolling (or window resize) could occur and be
 154   // handled by the renderer before it receives the InvalidateRect message,
 155   // changing the clip rect and then not painting.
 156   if (damaged_rect_.IsEmpty() ||
 157       !delegate_->GetClipRect().Intersects(damaged_rect_))
 158     return;
 159
 160   // Only send a single InvalidateRect message at a time.  From DidPaint we
 161   // will dispatch an additional InvalidateRect message if necessary.
 162   if (!waiting_for_paint_) {
 163     waiting_for_paint_ = true;
 164     // Invalidates caused by calls to NPN_InvalidateRect/NPN_InvalidateRgn
 165     // need to be painted asynchronously as per the NPAPI spec.
 166     base::MessageLoop::current()->PostTask(
 167         FROM_HERE,
 168         base::Bind(&WebPluginProxy::OnPaint,
 169                    weak_factory_.GetWeakPtr(),
 170                    damaged_rect_));
 171     damaged_rect_ = gfx::Rect();
 172   }
 173 }
 174
 175 NPObject* WebPluginProxy::GetWindowScriptNPObject() {
 176   if (window_npobject_)
 177     return window_npobject_;
 178
 179   int npobject_route_id = channel_->GenerateRouteID();
 180   bool success = false;
 181   Send(new PluginHostMsg_GetWindowScriptNPObject(
 182       route_id_, npobject_route_id, &success));
 183   if (!success)
 184     return NULL;
 185
 186   // PluginChannel creates a dummy owner identifier for unknown owners, so
 187   // use that.
 188   NPP owner = channel_->GetExistingNPObjectOwner(MSG_ROUTING_NONE);
 189
 190   window_npobject_ = NPObjectProxy::Create(channel_.get(),
 191                                            npobject_route_id,
 192                                            host_render_view_routing_id_,
 193                                            page_url_,
 194                                            owner);
 195
 196   return window_npobject_;
 197 }
 198
 199 NPObject* WebPluginProxy::GetPluginElement() {
 200   if (plugin_element_)
 201     return plugin_element_;
 202
 203   int npobject_route_id = channel_->GenerateRouteID();
 204   bool success = false;
 205   Send(new PluginHostMsg_GetPluginElement(route_id_, npobject_route_id,
 206                                           &success));
 207   if (!success)
 208     return NULL;
 209
 210   // PluginChannel creates a dummy owner identifier for unknown owners, so
 211   // use that.
 212   NPP owner = channel_->GetExistingNPObjectOwner(MSG_ROUTING_NONE);
 213
 214   plugin_element_ = NPObjectProxy::Create(channel_.get(),
 215                                           npobject_route_id,
 216                                           host_render_view_routing_id_,
 217                                           page_url_,
 218                                           owner);
 219
 220   return plugin_element_;
 221 }
 222
 223 bool WebPluginProxy::FindProxyForUrl(const GURL& url, std::string* proxy_list) {
 224   bool result = false;
 225   Send(new PluginHostMsg_ResolveProxy(route_id_, url, &result, proxy_list));
 226   return result;
 227 }
 228
 229 void WebPluginProxy::SetCookie(const GURL& url,
 230                                const GURL& first_party_for_cookies,
 231                                const std::string& cookie) {
 232   Send(new PluginHostMsg_SetCookie(route_id_, url,
 233                                    first_party_for_cookies, cookie));
 234 }
 235
 236 std::string WebPluginProxy::GetCookies(const GURL& url,
 237                                        const GURL& first_party_for_cookies) {
 238   std::string cookies;
 239   Send(new PluginHostMsg_GetCookies(route_id_, url,
 240                                     first_party_for_cookies, &cookies));
 241
 242   return cookies;
 243 }
 244
 245 WebPluginResourceClient* WebPluginProxy::GetResourceClient(int id) {
 246   ResourceClientMap::iterator iterator = resource_clients_.find(id);
 247   // The IPC messages which deal with streams are now asynchronous. It is
 248   // now possible to receive stream messages from the renderer for streams
 249   // which may have been cancelled by the plugin.
 250   if (iterator == resource_clients_.end()) {
 251     return NULL;
 252   }
 253
 254   return iterator->second;
 255 }
 256
 257 int WebPluginProxy::GetRendererId() {
 258   if (channel_.get())
 259     return channel_->renderer_id();
 260   return -1;
 261 }
 262
 263 void WebPluginProxy::DidPaint() {
 264   // If we have an accumulated damaged rect, then check to see if we need to
 265   // send out another InvalidateRect message.
 266   waiting_for_paint_ = false;
 267   if (!damaged_rect_.IsEmpty())
 268     InvalidateRect(damaged_rect_);
 269 }
 270
 271 void WebPluginProxy::OnResourceCreated(int resource_id,
 272                                        WebPluginResourceClient* client) {
 273   DCHECK(resource_clients_.find(resource_id) == resource_clients_.end());
 274   resource_clients_[resource_id] = client;
 275 }
 276
 277 void WebPluginProxy::HandleURLRequest(const char* url,
 278                                       const char* method,
 279                                       const char* target,
 280                                       const char* buf,
 281                                       unsigned int len,
 282                                       int notify_id,
 283                                       bool popups_allowed,
 284                                       bool notify_redirects) {
 285  if (!target && (0 == base::strcasecmp(method, "GET"))) {
 286     // Please refer to https://bugzilla.mozilla.org/show_bug.cgi?id=366082
 287     // for more details on this.
 288     if (delegate_->GetQuirks() &
 289         WebPluginDelegateImpl::PLUGIN_QUIRK_BLOCK_NONSTANDARD_GETURL_REQUESTS) {
 290       GURL request_url(url);
 291       if (!request_url.SchemeIs(url::kHttpScheme) &&
 292           !request_url.SchemeIs(url::kHttpsScheme) &&
 293           !request_url.SchemeIs(url::kFtpScheme)) {
 294         return;
 295       }
 296     }
 297   }
 298
 299   PluginHostMsg_URLRequest_Params params;
 300   params.url = url;
 301   params.method = method;
 302   if (target)
 303     params.target = std::string(target);
 304
 305   if (len) {
 306     params.buffer.resize(len);
 307     memcpy(&params.buffer.front(), buf, len);
 308   }
 309
 310   params.notify_id = notify_id;
 311   params.popups_allowed = popups_allowed;
 312   params.notify_redirects = notify_redirects;
 313
 314   Send(new PluginHostMsg_URLRequest(route_id_, params));
 315 }
 316
 317 void WebPluginProxy::Paint(const gfx::Rect& rect) {
 318 #if defined(OS_MACOSX)
 319   if (!windowless_context())
 320     return;
 321 #else
 322   if (!windowless_canvas() || !windowless_canvas()->getDevice())
 323     return;
 324 #endif
 325
 326   // Clear the damaged area so that if the plugin doesn't paint there we won't
 327   // end up with the old values.
 328   gfx::Rect offset_rect = rect;
 329   offset_rect.Offset(delegate_->GetRect().OffsetFromOrigin());
 330 #if defined(OS_MACOSX)
 331   CGContextSaveGState(windowless_context());
 332   // It is possible for windowless_contexts_ to change during plugin painting
 333   // (since the plugin can make a synchronous call during paint event handling),
 334   // in which case we don't want to try to restore later. Not an owning ref
 335   // since owning the ref without owning the shared backing memory doesn't make
 336   // sense, so this should only be used for pointer comparisons.
 337   CGContextRef saved_context_weak = windowless_context();
 338   // We also save the buffer index for the comparison because if we flip buffers
 339   // but haven't reallocated them then we do need to restore the context because
 340   // it is going to continue to be used.
 341   int saved_index = windowless_buffer_index_;
 342
 343   CGContextClipToRect(windowless_context(), rect.ToCGRect());
 344   // TODO(caryclark): This is a temporary workaround to allow the Darwin / Skia
 345   // port to share code with the Darwin / CG port. All ports will eventually use
 346   // the common code below.
 347   delegate_->CGPaint(windowless_context(), rect);
 348   if (windowless_contexts_[saved_index].get() == saved_context_weak)
 349     CGContextRestoreGState(windowless_contexts_[saved_index]);
 350 #else
 351   // See above comment about windowless_context_ changing.
 352   // http::/crbug.com/139462
 353   skia::RefPtr<skia::PlatformCanvas> saved_canvas = windowless_canvas();
 354
 355   saved_canvas->save();
 356
 357   // The given clip rect is relative to the plugin coordinate system.
 358   SkRect sk_rect = { SkIntToScalar(rect.x()),
 359                      SkIntToScalar(rect.y()),
 360                      SkIntToScalar(rect.right()),
 361                      SkIntToScalar(rect.bottom()) };
 362   saved_canvas->clipRect(sk_rect);
 363
 364   // Fill a transparent value so that if the plugin supports transparency that
 365   // will work.
 366   saved_canvas->drawColor(SkColorSetARGB(0, 0, 0, 0), SkXfermode::kSrc_Mode);
 367
 368   // Bring the windowless canvas into the window coordinate system, which is
 369   // how the plugin expects to draw (since the windowless API was originally
 370   // designed just for scribbling over the web page).
 371   saved_canvas->translate(SkIntToScalar(-delegate_->GetRect().x()),
 372                           SkIntToScalar(-delegate_->GetRect().y()));
 373
 374   // Before we send the invalidate, paint so that renderer uses the updated
 375   // bitmap.
 376   delegate_->Paint(saved_canvas.get(), offset_rect);
 377
 378   saved_canvas->restore();
 379 #endif
 380 }
 381
 382 void WebPluginProxy::UpdateGeometry(
 383     const gfx::Rect& window_rect,
 384     const gfx::Rect& clip_rect,
 385     const TransportDIB::Handle& windowless_buffer0,
 386     const TransportDIB::Handle& windowless_buffer1,
 387     int windowless_buffer_index) {
 388   gfx::Rect old = delegate_->GetRect();
 389   gfx::Rect old_clip_rect = delegate_->GetClipRect();
 390
 391   // Update the buffers before doing anything that could call into plugin code,
 392   // so that we don't process buffer changes out of order if plugins make
 393   // synchronous calls that lead to nested UpdateGeometry calls.
 394   if (TransportDIB::is_valid_handle(windowless_buffer0)) {
 395     // The plugin's rect changed, so now we have new buffers to draw into.
 396     SetWindowlessBuffers(windowless_buffer0,
 397                          windowless_buffer1,
 398                          window_rect);
 399   }
 400
 401   DCHECK(0 <= windowless_buffer_index && windowless_buffer_index <= 1);
 402   windowless_buffer_index_ = windowless_buffer_index;
 403
 404 #if defined(OS_MACOSX)
 405   delegate_->UpdateGeometryAndContext(
 406       window_rect, clip_rect, windowless_context());
 407 #else
 408   delegate_->UpdateGeometry(window_rect, clip_rect);
 409 #endif
 410
 411   // Send over any pending invalidates which occured when the plugin was
 412   // off screen.
 413   if (delegate_->IsWindowless() && !clip_rect.IsEmpty() &&
 414       !damaged_rect_.IsEmpty()) {
 415     InvalidateRect(damaged_rect_);
 416   }
 417 }
 418
 419 #if defined(OS_WIN)
 420
 421 void WebPluginProxy::CreateCanvasFromHandle(
 422     const TransportDIB::Handle& dib_handle,
 423     const gfx::Rect& window_rect,
 424     skia::RefPtr<skia::PlatformCanvas>* canvas) {
 425   *canvas = skia::AdoptRef(
 426       skia::CreatePlatformCanvas(window_rect.width(),
 427                                  window_rect.height(),
 428                                  true,
 429                                  dib_handle,
 430                                  skia::RETURN_NULL_ON_FAILURE));
 431   // The canvas does not own the section so we need to close it now.
 432   CloseHandle(dib_handle);
 433 }
 434
 435 void WebPluginProxy::SetWindowlessBuffers(
 436     const TransportDIB::Handle& windowless_buffer0,
 437     const TransportDIB::Handle& windowless_buffer1,
 438     const gfx::Rect& window_rect) {
 439   CreateCanvasFromHandle(windowless_buffer0,
 440                          window_rect,
 441                          &windowless_canvases_[0]);
 442   if (!windowless_canvases_[0]) {
 443     windowless_canvases_[1].clear();
 444     return;
 445   }
 446   CreateCanvasFromHandle(windowless_buffer1,
 447                          window_rect,
 448                          &windowless_canvases_[1]);
 449   if (!windowless_canvases_[1]) {
 450     windowless_canvases_[0].clear();
 451     return;
 452   }
 453 }
 454
 455 #elif defined(OS_MACOSX)
 456
 457 void WebPluginProxy::CreateDIBAndCGContextFromHandle(
 458     const TransportDIB::Handle& dib_handle,
 459     const gfx::Rect& window_rect,
 460     scoped_ptr<TransportDIB>* dib_out,
 461     base::ScopedCFTypeRef<CGContextRef>* cg_context_out) {
 462   // Convert the shared memory handle to a handle that works in our process,
 463   // and then use that to create a CGContextRef.
 464   TransportDIB* dib = TransportDIB::Map(dib_handle);
 465   CGContextRef cg_context = NULL;
 466   if (dib) {
 467     cg_context = CGBitmapContextCreate(
 468         dib->memory(),
 469         window_rect.width(),
 470         window_rect.height(),
 471         8,
 472         4 * window_rect.width(),
 473         base::mac::GetSystemColorSpace(),
 474         kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
 475     CGContextTranslateCTM(cg_context, 0, window_rect.height());
 476     CGContextScaleCTM(cg_context, 1, -1);
 477   }
 478   dib_out->reset(dib);
 479   cg_context_out->reset(cg_context);
 480 }
 481
 482 void WebPluginProxy::SetWindowlessBuffers(
 483     const TransportDIB::Handle& windowless_buffer0,
 484     const TransportDIB::Handle& windowless_buffer1,
 485     const gfx::Rect& window_rect) {
 486   CreateDIBAndCGContextFromHandle(windowless_buffer0,
 487                                   window_rect,
 488                                   &windowless_dibs_[0],
 489                                   &windowless_contexts_[0]);
 490   CreateDIBAndCGContextFromHandle(windowless_buffer1,
 491                                   window_rect,
 492                                   &windowless_dibs_[1],
 493                                   &windowless_contexts_[1]);
 494 }
 495
 496 #else
 497
 498 void WebPluginProxy::SetWindowlessBuffers(
 499     const TransportDIB::Handle& windowless_buffer0,
 500     const TransportDIB::Handle& windowless_buffer1,
 501     const gfx::Rect& window_rect) {
 502   NOTIMPLEMENTED();
 503 }
 504
 505 #endif
 506
 507 void WebPluginProxy::CancelDocumentLoad() {
 508   Send(new PluginHostMsg_CancelDocumentLoad(route_id_));
 509 }
 510
 511 void WebPluginProxy::InitiateHTTPRangeRequest(
 512     const char* url, const char* range_info, int range_request_id) {
 513   Send(new PluginHostMsg_InitiateHTTPRangeRequest(
 514       route_id_, url, range_info, range_request_id));
 515 }
 516
 517 void WebPluginProxy::DidStartLoading() {
 518   Send(new PluginHostMsg_DidStartLoading(route_id_));
 519 }
 520
 521 void WebPluginProxy::DidStopLoading() {
 522   Send(new PluginHostMsg_DidStopLoading(route_id_));
 523 }
 524
 525 void WebPluginProxy::SetDeferResourceLoading(unsigned long resource_id,
 526                                              bool defer) {
 527   Send(new PluginHostMsg_DeferResourceLoading(route_id_, resource_id, defer));
 528 }
 529
 530 #if defined(OS_MACOSX)
 531 void WebPluginProxy::FocusChanged(bool focused) {
 532   IPC::Message* msg = new PluginHostMsg_FocusChanged(route_id_, focused);
 533   Send(msg);
 534 }
 535
 536 void WebPluginProxy::StartIme() {
 537   IPC::Message* msg = new PluginHostMsg_StartIme(route_id_);
 538   // This message can be sent during event-handling, and needs to be delivered
 539   // within that context.
 540   msg->set_unblock(true);
 541   Send(msg);
 542 }
 543
 544 WebPluginAcceleratedSurface* WebPluginProxy::GetAcceleratedSurface(
 545     gfx::GpuPreference gpu_preference) {
 546   if (!accelerated_surface_)
 547     accelerated_surface_.reset(
 548         WebPluginAcceleratedSurfaceProxy::Create(this, gpu_preference));
 549   return accelerated_surface_.get();
 550 }
 551
 552 void WebPluginProxy::AcceleratedPluginEnabledRendering() {
 553   Send(new PluginHostMsg_AcceleratedPluginEnabledRendering(route_id_));
 554 }
 555
 556 void WebPluginProxy::AcceleratedPluginAllocatedIOSurface(int32 width,
 557                                                          int32 height,
 558                                                          uint32 surface_id) {
 559   Send(new PluginHostMsg_AcceleratedPluginAllocatedIOSurface(
 560       route_id_, width, height, surface_id));
 561 }
 562
 563 void WebPluginProxy::AcceleratedPluginSwappedIOSurface() {
 564   Send(new PluginHostMsg_AcceleratedPluginSwappedIOSurface(
 565       route_id_));
 566 }
 567 #endif
 568
 569 void WebPluginProxy::OnPaint(const gfx::Rect& damaged_rect) {
 570   GetContentClient()->SetActiveURL(page_url_);
 571
 572   Paint(damaged_rect);
 573   Send(new PluginHostMsg_InvalidateRect(route_id_, damaged_rect));
 574 }
 575
 576 bool WebPluginProxy::IsOffTheRecord() {
 577   return channel_->incognito();
 578 }
 579
 580 void WebPluginProxy::ResourceClientDeleted(
 581     WebPluginResourceClient* resource_client) {
 582   // resource_client->ResourceId() is 0 at this point, so can't use it as an
 583   // index into the map.
 584   ResourceClientMap::iterator index = resource_clients_.begin();
 585   while (index != resource_clients_.end()) {
 586     WebPluginResourceClient* client = (*index).second;
 587     if (client == resource_client) {
 588       resource_clients_.erase(index);
 589       return;
 590     } else {
 591       index++;
 592     }
 593   }
 594 }
 595
 596 void WebPluginProxy::URLRedirectResponse(bool allow, int resource_id) {
 597   Send(new PluginHostMsg_URLRedirectResponse(route_id_, allow, resource_id));
 598 }
 599
 600 bool WebPluginProxy::CheckIfRunInsecureContent(const GURL& url) {
 601   bool result = true;
 602   Send(new PluginHostMsg_CheckIfRunInsecureContent(
 603       route_id_, url, &result));
 604   return result;
 605 }
 606
 607 #if defined(OS_WIN) && !defined(USE_AURA)
 608 void WebPluginProxy::UpdateIMEStatus() {
 609   // Retrieve the IME status from a plug-in and send it to a renderer process
 610   // when the plug-in has updated it.
 611   int input_type;
 612   gfx::Rect caret_rect;
 613   if (!delegate_->GetIMEStatus(&input_type, &caret_rect))
 614     return;
 615
 616   Send(new PluginHostMsg_NotifyIMEStatus(route_id_, input_type, caret_rect));
 617 }
 618 #endif
 619
 620 }  // namespace content