Refactor Timer classes in preparation for landing FrameTimers.

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

Index: third_party/WebKit/Source/core/frame/FrameView.h
diff --git a/third_party/WebKit/Source/core/frame/FrameView.h b/third_party/WebKit/Source/core/frame/FrameView.h
index a991ad06ef9798a4636bf9c61c6d3bfe2bbe8508..2087bfe2ebb632c072dd36eb436ea0e5be315592 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.h
+++ b/third_party/WebKit/Source/core/frame/FrameView.h
@@ -228,7 +228,7 @@ public:
 
     void restoreScrollbar();
 
-    void postLayoutTimerFired(Timer<FrameView>*);
+    void postLayoutTimerFired(TimerBase*);
 
     bool safeToPropagateScrollToParent() const { return m_safeToPropagateScrollToParent; }
     void setSafeToPropagateScrollToParent(bool isSafe) { m_safeToPropagateScrollToParent = isSafe; }
@@ -720,13 +720,13 @@ private:
     void updateScrollableAreaSet();
 
     void scheduleUpdateWidgetsIfNecessary();
-    void updateWidgetsTimerFired(Timer<FrameView>*);
+    void updateWidgetsTimerFired(TimerBase*);
     bool updateWidgets();
 
     bool processUrlFragmentHelper(const String&, UrlFragmentBehavior);
     void setFragmentAnchor(Node*);
     void scrollToFragmentAnchor();
-    void didScrollTimerFired(Timer<FrameView>*);
+    void didScrollTimerFired(TimerBase*);
 
     void updateLayersAndCompositingAfterScrollIfNeeded(const DoubleSize& scrollDelta);