Remove context menus.

sky/engine/core/loader/EmptyClients.h

Index: sky/engine/core/loader/EmptyClients.h
diff --git a/sky/engine/core/loader/EmptyClients.h b/sky/engine/core/loader/EmptyClients.h
index 3cdada7a9bbca7bc0ae9365710690bd3b0faeaf9..34deb846de3ad7a34f3742d04e0002bb77809b52 100644
--- a/sky/engine/core/loader/EmptyClients.h
+++ b/sky/engine/core/loader/EmptyClients.h
@@ -32,7 +32,6 @@
 #include "core/editing/UndoStep.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/page/ChromeClient.h"
-#include "core/page/ContextMenuClient.h"
 #include "core/page/EditorClient.h"
 #include "core/page/FocusType.h"
 #include "core/page/Page.h"
@@ -189,15 +188,6 @@ public:
     virtual bool handleKeyboardEvent() OVERRIDE { return false; }
 };
 
-class EmptyContextMenuClient FINAL : public ContextMenuClient {
-    WTF_MAKE_NONCOPYABLE(EmptyContextMenuClient); WTF_MAKE_FAST_ALLOCATED;
-public:
-    EmptyContextMenuClient() { }
-    virtual ~EmptyContextMenuClient() {  }
-    virtual void showContextMenu(const ContextMenu*) OVERRIDE { }
-    virtual void clearContextMenu() OVERRIDE { }
-};
-
 void fillWithEmptyClients(Page::PageClients&);
 
 }