Rationalise hit testing in the new RenderNode world

sky/engine/core/view/View.h

 // Copyright 2015 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_VIEW_VIEW_H_
 #define SKY_ENGINE_CORE_VIEW_VIEW_H_
 
 #include "base/callback.h"
 #include "base/time/time.h"
 #include "sky/engine/core/painting/Picture.h"
@@ skipping 18 matching lines @@
 
     Picture* picture() const { return m_picture.get(); }
     void setPicture(Picture* picture) { m_picture = picture; }
 
     void setEventCallback(PassOwnPtr<EventCallback> callback);
 
     void setBeginFrameCallback(PassOwnPtr<BeginFrameCallback> callback);
     void scheduleFrame();
 
     void setDisplayMetrics(const SkyDisplayMetrics& metrics);
-    bool handleInputEvent(PassRefPtr<Event> event);
+    void handleInputEvent(PassRefPtr<Event> event);
     void beginFrame(base::TimeTicks frameTime);
 
 private:
     explicit View(const base::Closure& scheduleFrameCallback);
 
     base::Closure m_scheduleFrameCallback;
     SkyDisplayMetrics m_displayMetrics;
     OwnPtr<EventCallback> m_eventCallback;
     OwnPtr<BeginFrameCallback> m_beginFrameCallback;
     RefPtr<Picture> m_picture;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_VIEW_VIEW_H_