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 ef9ddf1049ce92626fb47ace797fe210b803598d..3e00ab76750cb2c18ca55f43b556ff44d46d0b91 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,