NOT FOR REVIEW: Alternative for supporting fullscreen for non-media in the WebView.

Source/web/FullscreenController.cpp

Index: Source/web/FullscreenController.cpp
diff --git a/Source/web/FullscreenController.cpp b/Source/web/FullscreenController.cpp
index e16af27be5dd23f69bd324e115ca684d1abf0c3a..a76501e87498de2591af33e01fbcbd1b01c3b1f1 100644
--- a/Source/web/FullscreenController.cpp
+++ b/Source/web/FullscreenController.cpp
@@ -144,7 +144,7 @@ void FullscreenController::enterFullScreenForElement(Element* element)
 
     // We need to transition to fullscreen mode.
     if (WebViewClient* client = m_webViewImpl->client()) {
-        if (client->enterFullScreen())
+        if (client->enterFullScreen(isHTMLVideoElement(element)))
             m_provisionalFullScreenElement = element;
     }
 }
@@ -155,7 +155,7 @@ void FullscreenController::exitFullScreenForElement(Element* element)
     if (m_isCancelingFullScreen)
         return;
     if (WebViewClient* client = m_webViewImpl->client())
-        client->exitFullScreen();
+        client->exitFullScreen(isHTMLVideoElement(element));
 }
 
 void FullscreenController::trace(Visitor* visitor)