Add wheel support to sky-scrollable

sky/engine/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 321 matching lines @@
     if (WebInputEvent::isGestureEventType(inputEvent.type)) {
         const WebGestureEvent& event = static_cast<const WebGestureEvent&>(inputEvent);
         return m_page->mainFrame()->newEventHandler().handleGestureEvent(event);
     }
 
     if (WebInputEvent::isKeyboardEventType(inputEvent.type)) {
         const WebKeyboardEvent& event = static_cast<const WebKeyboardEvent&>(inputEvent);
         return m_page->mainFrame()->newEventHandler().handleKeyboardEvent(event);
     }
 
+    if (WebInputEvent::isWheelEventType(inputEvent.type)) {
+        const WebWheelEvent& event = static_cast<const WebWheelEvent&>(inputEvent);
+        return m_page->mainFrame()->newEventHandler().handleWheelEvent(event);
+    }
+
     return false;
 }
 
 void WebViewImpl::setFocus(bool enable)
 {
     m_page->focusController().setFocused(enable);
     if (enable) {
         m_page->focusController().setActive(true);
         RefPtr<LocalFrame> focusedFrame = m_page->focusController().focusedFrame();
         if (focusedFrame) {
@@ skipping 503 matching lines @@
 void WebViewImpl::setVisibilityState(WebPageVisibilityState visibilityState,
                                      bool isInitialState) {
     if (!page())
         return;
 
     ASSERT(visibilityState == WebPageVisibilityStateVisible || visibilityState == WebPageVisibilityStateHidden);
     m_page->setVisibilityState(static_cast<PageVisibilityState>(static_cast<int>(visibilityState)), isInitialState);
 }
 
 } // namespace blink