Remove LocalDOMWindow unuseds.

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

Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
index 01c16fad3930b80127e0a7e33e26a110cdef8e1f..0b78abf34b3ad0dc62b68b0b0a93b95a1a47e17e 100644
--- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
@@ -485,11 +485,6 @@ PassRefPtrWillBeRawPtr<MediaQueryList> LocalDOMWindow::matchMedia(const String&
     return document() ? document()->mediaQueryMatcher().matchMedia(media) : nullptr;
 }
 
-Page* LocalDOMWindow::page()
-{
-    return frame() ? frame()->page() : nullptr;
-}
-
 void LocalDOMWindow::willDetachFrameHost()
 {
     frame()->host()->eventHandlerRegistry().didRemoveAllEventHandlers(*this);