MediaRecorder: correct MIME type parsing

content/renderer/media/media_recorder_handler.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_RECORDER_HANDLER_H_
 #define CONTENT_RENDERER_MEDIA_MEDIA_RECORDER_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 29 matching lines @@
 // All methods are called on the same thread as construction and destruction,
 // i.e. the Main Render thread. (Note that a BindToCurrentLoop is used to
 // guarantee this, since VideoTrackRecorder sends back frames on IO thread.)
 class CONTENT_EXPORT MediaRecorderHandler final
     : public NON_EXPORTED_BASE(blink::WebMediaRecorderHandler) {
  public:
   MediaRecorderHandler();
   ~MediaRecorderHandler() override;
 
   // blink::WebMediaRecorderHandler.
-  bool canSupportMimeType(const blink::WebString& mimeType) override;
+  bool canSupportMimeType(const blink::WebString& type,
+                          const blink::WebString& codecs) override;
   bool initialize(blink::WebMediaRecorderHandlerClient* client,
                   const blink::WebMediaStream& media_stream,
-                  const blink::WebString& mimeType) override;
+                  const blink::WebString& type,
+                  const blink::WebString& codecs) override;
   bool start() override;
   bool start(int timeslice) override;
   void stop() override;
   void pause() override;
   void resume() override;
 
  private:
   friend class MediaRecorderHandlerTest;
 
   void OnEncodedVideo(const scoped_refptr<media::VideoFrame>& video_frame,
@@ skipping 35 matching lines @@
   // Worker class doing the actual Webm Muxing work.
   scoped_ptr<media::WebmMuxer> webm_muxer_;
 
   base::WeakPtrFactory<MediaRecorderHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaRecorderHandler);
 };
 
 }  // namespace content
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_RECORDER_HANDLER_H_