WIP - WebMediaPlayer switch media renderer.

third_party/WebKit/Source/core/html/HTMLMediaElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
index f8f4ba806168d75890c3c02087971e5f04f3daac..e7e8f4c874f29c9bc5b23ac96f30c743345788af 100644
--- a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
@@ -451,6 +451,7 @@ HTMLMediaElement::HTMLMediaElement(const QualifiedName& tagName, Document& docum
     , m_autoplayHelper(AutoplayExperimentHelper::create(m_autoplayHelperClient.get()))
     , m_remotePlaybackClient(nullptr)
     , m_autoplayVisibilityObserver(nullptr)
+    , m_isParentInFullscreen(false)
 {
     ThreadState::current()->registerPreFinalizer(this);
 
@@ -3318,6 +3319,23 @@ void HTMLMediaElement::willStopBeingFullscreenElement()
     m_inOverlayFullscreenVideo = false;
 }
 
+void HTMLMediaElement::parentEnteredFullscreen()
+{
+    m_isParentInFullscreen = true;
+    // Notify webMediaPlayer() the video enters full screen display.
+    // TODO(xjz): this size check seems not work for youtube videos.
+    if (webMediaPlayer() && (clientWidth() >= document().domWindow()->innerWidth()) && (clientHeight() >= document().domWindow()->innerHeight())) {
+        webMediaPlayer()->videoEnteredFullscreen();
+    }
+}
+
+void HTMLMediaElement::parentExitedFullscreen()
+{
+    m_isParentInFullscreen = false;
+    if (webMediaPlayer())
+        webMediaPlayer()->videoExitedFullscreen();
+}
+
 WebLayer* HTMLMediaElement::platformLayer() const
 {
     return m_webLayer;