Remove more mouse-specific code

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 495 matching lines @@
     case WebInputEvent::KeyDown:
     case WebInputEvent::KeyUp:
         return handleKeyEvent(static_cast<const WebKeyboardEvent&>(inputEvent));
     case WebInputEvent::Char:
         return handleCharEvent(static_cast<const WebKeyboardEvent&>(inputEvent));
     default:
         return false;
     }
 }
 
-void WebViewImpl::mouseCaptureLost()
-{
-    TRACE_EVENT_ASYNC_END0("input", "capturing mouse", this);
-    m_mouseCaptureNode = nullptr;
-}
-
 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) {
             LocalFrame* localFrame = focusedFrame.get();
             Element* element = localFrame->document()->focusedElement();
             if (element && localFrame->selection().selection().isNone()) {
@@ skipping 541 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