Add srcObject attribute of type MediaStream to HTMLMediaElement.

content/renderer/media/android/webmediaplayer_android.cc

Index: content/renderer/media/android/webmediaplayer_android.cc
diff --git a/content/renderer/media/android/webmediaplayer_android.cc b/content/renderer/media/android/webmediaplayer_android.cc
index 3ce2c1e621f04709146d91462dbc964072f704d3..c02cd2b1922402a8bcfc772451c161ca0d6e9bd6 100644
--- a/content/renderer/media/android/webmediaplayer_android.cc
+++ b/content/renderer/media/android/webmediaplayer_android.cc
@@ -55,6 +55,7 @@
 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h"
 #include "third_party/WebKit/public/platform/WebEncryptedMediaTypes.h"
 #include "third_party/WebKit/public/platform/WebGraphicsContext3DProvider.h"
+#include "third_party/WebKit/public/platform/WebMediaElementSource.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayerEncryptedMediaClient.h"
 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
@@ -298,8 +299,11 @@ WebMediaPlayerAndroid::~WebMediaPlayerAndroid() {
 }
 
 void WebMediaPlayerAndroid::load(LoadType load_type,
-                                 const blink::WebURL& url,
+                                 const blink::WebMediaElementSource& source,
                                  CORSMode cors_mode) {
+  // Only URL or MSE blob URL is supported.
+  DCHECK(source.isURL());
+  blink::WebURL url = source.getAsURL();
   if (!defer_load_cb_.is_null()) {
     defer_load_cb_.Run(base::Bind(&WebMediaPlayerAndroid::DoLoad,
                                   weak_factory_.GetWeakPtr(), load_type, url,