Update memory related v8 notifications API calls

The API calls are per Isolate, and therefore should be on the isolate.
Make it so.

BUG=397026
R=haraken@chromium.org

Review URL: https://codereview.chromium.org/422293004

git-svn-id: svn://svn.chromium.org/blink/trunk@179155 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/bindings/core/v8/ScriptProfiler.cpp

@@ -96,7 +96,7 @@ PassRefPtrWillBeRawPtr<ScriptProfile> ScriptProfiler::stop(const String& title)
 
 void ScriptProfiler::collectGarbage()
 {
-    v8::V8::LowMemoryNotification();
+    v8::Isolate::GetCurrent()->LowMemoryNotification();
 }
 
 ScriptValue ScriptProfiler::objectByHeapObjectId(unsigned id)

third_party/WebKit/Source/bindings/core/v8/V8GCForContextDispose.cpp

@@ -31,6 +31,7 @@
 #include "config.h"
 #include "bindings/core/v8/V8GCForContextDispose.h"
 
+#include "bindings/core/v8/V8PerIsolateData.h"
 #include "wtf/StdLibExtras.h"
 #include <v8.h>
 
@@ -45,7 +46,7 @@ V8GCForContextDispose::V8GCForContextDispose()
 void V8GCForContextDispose::notifyContextDisposed(bool isMainFrame)
 {
     m_didDisposeContextForMainFrame = m_didDisposeContextForMainFrame || isMainFrame;
-    v8::V8::ContextDisposedNotification();
+    V8PerIsolateData::mainThreadIsolate()->ContextDisposedNotification();
     if (!m_pseudoIdleTimer.isActive())
         m_pseudoIdleTimer.startOneShot(0.8, FROM_HERE);
 }
@@ -72,7 +73,7 @@ void V8GCForContextDispose::pseudoIdleTimerFired(Timer<V8GCForContextDispose>*)
     const int longIdlePauseInMs = 1000;
     const int shortIdlePauseInMs = 10;
     int hint = m_didDisposeContextForMainFrame ? longIdlePauseInMs : shortIdlePauseInMs;
-    v8::V8::IdleNotification(hint);
+    V8PerIsolateData::mainThreadIsolate()->IdleNotification(hint);
     m_didDisposeContextForMainFrame = false;
 }
 

third_party/WebKit/Source/bindings/core/v8/WorkerScriptController.h

@@ -84,7 +84,7 @@ public:
     // Send a notification about current thread is going to be idle.
     // Returns true if the embedder should stop calling idleNotification
     // until real work has been done.
-    bool idleNotification() { return v8::V8::IdleNotification(); }
+    bool idleNotification() { return m_isolate->IdleNotification(1000); }
 
 private:
     class WorkerGlobalScopeExecutionState;