Implement FullScreen using top layer.

Source/web/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 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 45 matching lines @@
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/RemoteFrame.h"
 #include "core/frame/Settings.h"
 #include "core/frame/VisualViewport.h"
 #include "core/html/HTMLDocument.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/input/EventHandler.h"
 #include "core/layout/HitTestResult.h"
-#include "core/layout/LayoutFullScreen.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/DeprecatedPaintLayerCompositor.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/DocumentThreadableLoader.h"
 #include "core/loader/DocumentThreadableLoaderClient.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/ThreadableLoader.h"
 #include "core/page/Page.h"
 #include "core/paint/DeprecatedPaintLayer.h"
 #include "core/testing/NullExecutionContext.h"
@@ skipping 6400 matching lines @@
 
     Document* document = toWebLocalFrameImpl(webViewImpl->mainFrame())->frame()->document();
     UserGestureIndicator gesture(DefinitelyProcessingUserGesture);
     Element* divFullscreen = document->getElementById("div1");
     Fullscreen::from(*document).requestFullscreen(*divFullscreen, Fullscreen::PrefixedRequest);
     webViewImpl->didEnterFullScreen();
     webViewImpl->layout();
     ASSERT_TRUE(Fullscreen::isFullScreen(*document));
 
     // Verify that the element is sized to the viewport.
-    LayoutFullScreen* fullscreenLayoutObject = Fullscreen::from(*document).fullScreenLayoutObject();
+    Element* fullscreenElement = Fullscreen::currentFullScreenElementFrom(*document);
+    LayoutBox* fullscreenLayoutObject = toLayoutBox(fullscreenElement->layoutObject());
     EXPECT_EQ(viewportWidth, fullscreenLayoutObject->logicalWidth().toInt());
     EXPECT_EQ(viewportHeight, fullscreenLayoutObject->logicalHeight().toInt());
 
     // Verify it's updated after a device rotation.
     client.m_screenInfo.rect.width = viewportHeight;
     client.m_screenInfo.rect.height = viewportWidth;
     webViewImpl->resize(WebSize(viewportHeight, viewportWidth));
     webViewImpl->layout();
     EXPECT_EQ(viewportHeight, fullscreenLayoutObject->logicalWidth().toInt());
     EXPECT_EQ(viewportWidth, fullscreenLayoutObject->logicalHeight().toInt());
@@ skipping 83 matching lines @@
     webViewImpl->layout();
 
     Document* document = toWebLocalFrameImpl(webViewHelper.webView()->mainFrame()->firstChild())->frame()->document();
     UserGestureIndicator gesture(DefinitelyProcessingUserGesture);
     Element* divFullscreen = document->getElementById("div1");
     Fullscreen::from(*document).requestFullscreen(*divFullscreen, Fullscreen::PrefixedRequest);
     webViewImpl->didEnterFullScreen();
     webViewImpl->layout();
 
     // Verify that the element is sized to the viewport.
-    LayoutFullScreen* fullscreenLayoutObject = Fullscreen::from(*document).fullScreenLayoutObject();
+    Element* fullscreenElement = Fullscreen::currentFullScreenElementFrom(*document);
+    LayoutBox* fullscreenLayoutObject = toLayoutBox(fullscreenElement->layoutObject());
     EXPECT_EQ(viewportWidth, fullscreenLayoutObject->logicalWidth().toInt());
     EXPECT_EQ(viewportHeight, fullscreenLayoutObject->logicalHeight().toInt());
 
     // Verify it's updated after a device rotation.
     client.m_screenInfo.rect.width = viewportHeight;
     client.m_screenInfo.rect.height = viewportWidth;
     webViewImpl->resize(WebSize(viewportHeight, viewportWidth));
     webViewImpl->layout();
     EXPECT_EQ(viewportHeight, fullscreenLayoutObject->logicalWidth().toInt());
     EXPECT_EQ(viewportWidth, fullscreenLayoutObject->logicalHeight().toInt());
@@ skipping 1600 matching lines @@
 
 TEST_F(WebFrameTest, MaxFramesDetach)
 {
     registerMockedHttpURLLoad("max-frames-detach.html");
     FrameTestHelpers::WebViewHelper webViewHelper;
     WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(m_baseURL + "max-frames-detach.html", true);
     webViewImpl->mainFrameImpl()->collectGarbage();
 }
 
 } // namespace blink