content/child/web_memory_dump_provider_adapter.cc

   1 // Copyright 2015 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/child/web_memory_dump_provider_adapter.h"
   6
   7 #include "content/child/web_process_memory_dump_impl.h"
   8 #include "third_party/WebKit/public/platform/WebMemoryDumpProvider.h"
   9
  10 namespace content {
  11
  12 WebMemoryDumpProviderAdapter::WebMemoryDumpProviderAdapter(
  13     blink::WebMemoryDumpProvider* wmdp)
  14     : web_memory_dump_provider_(wmdp), is_registered_(false) {
  15 }
  16
  17 WebMemoryDumpProviderAdapter::~WebMemoryDumpProviderAdapter() {
  18   DCHECK(!is_registered_);
  19 }
  20
  21 bool WebMemoryDumpProviderAdapter::OnMemoryDump(
  22     const base::trace_event::MemoryDumpArgs& args,
  23     base::trace_event::ProcessMemoryDump* pmd) {
  24   blink::WebMemoryDumpLevelOfDetail level;
  25   switch (args.level_of_detail) {
  26     case base::trace_event::MemoryDumpArgs::LevelOfDetail::LOW:
  27       level = blink::WebMemoryDumpLevelOfDetail::Low;
  28       break;
  29     case base::trace_event::MemoryDumpArgs::LevelOfDetail::HIGH:
  30       level = blink::WebMemoryDumpLevelOfDetail::High;
  31       break;
  32     default:
  33       NOTREACHED();
  34       return false;
  35   }
  36   WebProcessMemoryDumpImpl web_pmd_impl(pmd);
  37
  38   return web_memory_dump_provider_->onMemoryDump(level, &web_pmd_impl);
  39 }
  40
  41 }  // namespace content