Introduce isHTMLVideoElement and toHTMLVideoElement

Source/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 84 matching lines @@
 #include "core/dom/KeyboardEvent.h"
 #include "core/dom/NodeRenderStyle.h"
 #include "core/dom/Text.h"
 #include "core/dom/WheelEvent.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/TextIterator.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/HTMLTextAreaElement.h"
+#include "core/html/HTMLVideoElement.h"
 #include "core/inspector/InspectorController.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/UniqueIdentifier.h"
 #include "core/page/Chrome.h"
 #include "core/page/ContextMenuController.h"
 #include "core/page/DragController.h"
 #include "core/page/DragSession.h"
 #include "core/page/EventHandler.h"
@@ skipping 3054 matching lines @@
         return;
 
     frame->view()->setFixedLayoutSize(layoutSize);
 }
 
 void WebViewImpl::performMediaPlayerAction(const WebMediaPlayerAction& action,
                                            const WebPoint& location)
 {
     HitTestResult result = hitTestResultForWindowPos(location);
     RefPtr<Node> node = result.innerNonSharedNode();
-    if (!node->hasTagName(HTMLNames::videoTag) && !node->hasTagName(HTMLNames::audioTag))
+    if (!isHTMLVideoElement(node.get()) && !node->hasTagName(HTMLNames::audioTag))
         return;
 
     RefPtr<HTMLMediaElement> mediaElement =
         static_pointer_cast<HTMLMediaElement>(node);
     switch (action.type) {
     case WebMediaPlayerAction::Play:
         if (action.enable)
             mediaElement->play();
         else
             mediaElement->pause();
@@ skipping 973 matching lines @@
 }
 
 bool WebViewImpl::shouldDisableDesktopWorkarounds()
 {
     ViewportArguments arguments = mainFrameImpl()->frame()->document()->viewportArguments();
     return arguments.width == ViewportArguments::ValueDeviceWidth || !arguments.userZoom
         || (arguments.minZoom == arguments.maxZoom && arguments.minZoom != ViewportArguments::ValueAuto);
 }
 
 } // namespace WebKit