[DevTools] Rework idle{Started,Finished} instrumentation.

third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp

Index: third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp
diff --git a/third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp b/third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp
index 0ef90d1f6d2bb7403fd3e7d385346f0ef67c87fa..aa84f87d34f2dc1b1180a633982d3834c386c540 100644
--- a/third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp
+++ b/third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp
@@ -47,6 +47,20 @@ void ThreadDebugger::didExecuteScript(v8::Isolate* isolate)
         data->threadDebugger()->debugger()->didExecuteScript(isolate->GetCurrentContext());
 }
 
+void ThreadDebugger::idleStarted(v8::Isolate* isolate)
+{
+    V8PerIsolateData* data = V8PerIsolateData::from(isolate);
+    if (data && data->threadDebugger())
+        data->threadDebugger()->debugger()->idleStarted();
+}
+
+void ThreadDebugger::idleFinished(v8::Isolate* isolate)
+{
+    V8PerIsolateData* data = V8PerIsolateData::from(isolate);
+    if (data && data->threadDebugger())
+        data->threadDebugger()->debugger()->idleFinished();
+}
+
 void ThreadDebugger::eventListeners(v8::Local<v8::Value> value, V8EventListenerInfoList& result)
 {
     InspectorDOMDebuggerAgent::eventListenersInfoForTarget(m_isolate, value, result);