scheduler: Implement WebFrameScheduler and WebPageScheduler

third_party/WebKit/Source/core/frame/LocalFrame.h

Index: third_party/WebKit/Source/core/frame/LocalFrame.h
diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.h b/third_party/WebKit/Source/core/frame/LocalFrame.h
index 0b9074b1495c4e0f3ad5946649895e253db202a0..ce17bb37a70e980ed2ea2f1ed08924d7f78fe702 100644
--- a/third_party/WebKit/Source/core/frame/LocalFrame.h
+++ b/third_party/WebKit/Source/core/frame/LocalFrame.h
@@ -72,6 +72,8 @@ class TreeScope;
 class ScriptController;
 class SpellChecker;
 class TreeScope;
+class WebFrameHostScheduler;
+class WebFrameScheduler;
 template <typename Strategy> class PositionWithAffinityTemplate;
 
 class CORE_EXPORT LocalFrame : public Frame, public LocalFrameLifecycleNotifier, public WillBeHeapSupplementable<LocalFrame> {
@@ -182,6 +184,10 @@ public:
 
     // ========
 
+    // Returns the frame scheduler, creating one if needed.
+    WebFrameScheduler* frameScheduler();
+    void updateFrameSecurityOrigin();
+
 private:
     LocalFrame(FrameLoaderClient*, FrameHost*, FrameOwner*);
 
@@ -211,6 +217,7 @@ private:
     const OwnPtrWillBeMember<EventHandler> m_eventHandler;
     const OwnPtrWillBeMember<FrameConsole> m_console;
     const OwnPtrWillBeMember<InputMethodController> m_inputMethodController;
+    OwnPtr<WebFrameScheduler> m_frameScheduler;
 
 #if ENABLE(OILPAN)
     // Oilpan: in order to reliably finalize plugin elements with