[RemotePlayback] No monitoring on low-end devices

third_party/WebKit/Source/web/WebKit.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 #include "bindings/core/v8/Microtask.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/V8Initializer.h"
 #include "core/animation/AnimationClock.h"
 #include "core/page/Page.h"
 #include "core/workers/WorkerBackingThread.h"
 #include "gin/public/v8_platform.h"
 #include "modules/ModulesInitializer.h"
 #include "platform/LayoutTestSupport.h"
+#include "platform/MemoryCoordinator.h"
 #include "platform/heap/Heap.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebThread.h"
 #include "wtf/Assertions.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/WTF.h"
 #include "wtf/allocator/Partitions.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/TextEncoding.h"
 #include <memory>
@@ skipping 20 matching lines @@
   DEFINE_STATIC_LOCAL(std::unique_ptr<ModulesInitializer>, initializer,
                       (wrapUnique(new ModulesInitializer)));
   return *initializer;
 }
 
 void initialize(Platform* platform) {
   Platform::initialize(platform);
 
   V8Initializer::initializeMainThread();
 
+  // Seems like the most suitable place for this initialization. See the
+  // discussion at https://codereview.chromium.org/2475293003.
+  MemoryCoordinator::initialize();

[haraken, 2016/11/29 02:02:46]

We should call this in Platform::initialize since MemoryCoordinator is a
platform thing.

[whywhat, 2016/11/29 20:04:44]

Done.

+
   modulesInitializer().initialize();
 
   // currentThread is null if we are running on a thread without a message loop.
   if (WebThread* currentThread = platform->currentThread()) {
     DCHECK(!s_endOfTaskRunner);
     s_endOfTaskRunner = new EndOfTaskRunner;
     currentThread->addTaskObserver(s_endOfTaskRunner);
   }
 }
 
@@ skipping 53 matching lines @@
 void MemoryPressureNotificationToWorkerThreadIsolates(
     v8::MemoryPressureLevel level) {
   WorkerBackingThread::MemoryPressureNotificationToWorkerThreadIsolates(level);
 }
 
 void setRAILModeOnWorkerThreadIsolates(v8::RAILMode railMode) {
   WorkerBackingThread::setRAILModeOnWorkerThreadIsolates(railMode);
 }
 
 }  // namespace blink