Remove LocalDOMWindow unuseds.

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

Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.h
diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.h b/third_party/WebKit/Source/core/frame/LocalDOMWindow.h
index 498551586db13836ea69213f4320f786dc0a9ff7..b30ee60626a9f6ffa31fc2009291542188215f00 100644
--- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.h
+++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.h
@@ -182,8 +182,6 @@ public:
 
     void finishedLoading();
 
-    ApplicationCache* optionalApplicationCache() const { return m_applicationCache.get(); }
-
     // Dispatch the (deprecated) orientationchange event to this DOMWindow and
     // recurse on its child frames.
     void sendOrientationChangeEvent();
@@ -240,8 +238,6 @@ private:
     explicit LocalDOMWindow(LocalFrame&);
     void dispose();
 
-    Page* page();
-
     void clearDocument();
     void willDestroyDocumentInFrame();