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