Remove PlatformEvent

sky/engine/core/frame/PlatformEventDispatcher.h

Index: sky/engine/core/frame/PlatformEventDispatcher.h
diff --git a/sky/engine/core/frame/PlatformEventDispatcher.h b/sky/engine/core/frame/PlatformEventDispatcher.h
deleted file mode 100644
index 9d12f90d084f22f927ab1596b765ba4b2c7d4cd0..0000000000000000000000000000000000000000
--- a/sky/engine/core/frame/PlatformEventDispatcher.h
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef SKY_ENGINE_CORE_FRAME_PLATFORMEVENTDISPATCHER_H_
-#define SKY_ENGINE_CORE_FRAME_PLATFORMEVENTDISPATCHER_H_
-
-#include "sky/engine/wtf/Vector.h"
-
-namespace blink {
-class PlatformEventController;
-
-class PlatformEventDispatcher {
-public:
-    void addController(PlatformEventController*);
-    void removeController(PlatformEventController*);
-
-protected:
-    PlatformEventDispatcher();
-    virtual ~PlatformEventDispatcher();
-
-    void notifyControllers();
-
-    virtual void startListening() = 0;
-    virtual void stopListening() = 0;
-
-private:
-    void purgeControllers();
-
-    Vector<PlatformEventController*> m_controllers;
-    bool m_needsPurge;
-    bool m_isDispatching;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_FRAME_PLATFORMEVENTDISPATCHER_H_