Update V8 histogram/counter API usage

content/renderer/render_thread_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 313 matching lines @@
       custom_histograms_.find(name) != custom_histograms_.end())
     name += common_host_histogram_suffix_;
   return name;
 }
 
 void RenderThreadImpl::HistogramCustomizer::SetCommonHost(
     const std::string& host) {
   if (host != common_host_) {
     common_host_ = host;
     common_host_histogram_suffix_ = HostToCustomHistogramSuffix(host);
-    v8::V8::SetCreateHistogramFunction(CreateHistogram);
+    blink::mainThreadIsolate()->SetCreateHistogramFunction(CreateHistogram);
   }
 }
 
 RenderThreadImpl* RenderThreadImpl::current() {
   return lazy_tls.Pointer()->Get();
 }
 
 // When we run plugins in process, we actually run them on the render thread,
 // which means that we need to make the render thread pump UI events.
 RenderThreadImpl::RenderThreadImpl() {
   Init();
 }
 
 RenderThreadImpl::RenderThreadImpl(const std::string& channel_name)
     : ChildThread(channel_name) {
   Init();
 }
 
 void RenderThreadImpl::Init() {
   TRACE_EVENT_BEGIN_ETW("RenderThreadImpl::Init", 0, "");
 
   base::debug::TraceLog::GetInstance()->SetThreadSortIndex(
       base::PlatformThread::CurrentId(),
       kTraceEventRendererMainThreadSortIndex);
 
-  v8::V8::SetCounterFunction(base::StatsTable::FindLocation);
-  v8::V8::SetCreateHistogramFunction(CreateHistogram);
-  v8::V8::SetAddHistogramSampleFunction(AddHistogramSample);
-
 #if defined(OS_MACOSX) || defined(OS_ANDROID)
   // On Mac and Android, the select popups are rendered by the browser.
   blink::WebView::setUseExternalPopupMenus(true);
 #endif
 
   lazy_tls.Pointer()->Set(this);
 
   // Register this object as the main thread.
   ChildProcess::current()->set_main_thread(this);
 
@@ skipping 410 matching lines @@
   resource_dispatcher()->set_delegate(delegate);
 }
 
 void RenderThreadImpl::EnsureWebKitInitialized() {
   if (webkit_platform_support_)
     return;
 
   webkit_platform_support_.reset(new RendererWebKitPlatformSupportImpl);
   blink::initialize(webkit_platform_support_.get());
 
+  v8::Isolate* isolate = blink::mainThreadIsolate();
+
+  isolate->SetCounterFunction(base::StatsTable::FindLocation);
+  isolate->SetCreateHistogramFunction(CreateHistogram);
+  isolate->SetAddHistogramSampleFunction(AddHistogramSample);
+
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 
   bool enable = command_line.HasSwitch(switches::kEnableThreadedCompositing);
   if (enable) {
 #if defined(OS_ANDROID)
     if (SynchronousCompositorFactory* factory =
         SynchronousCompositorFactory::GetInstance())
       compositor_message_loop_proxy_ =
           factory->GetCompositorMessageLoop();
 #endif
@@ skipping 761 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content