Migrate MediaStream test code from content/shell/renderer/ to content/test/.

content/test/test_media_stream_client.h

 // Copyright 2013 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_SHELL_RENDERER_SHELL_MEDIA_STREAM_CLIENT_H_
-#define CONTENT_SHELL_RENDERER_SHELL_MEDIA_STREAM_CLIENT_H_
+#ifndef CONTENT_TEST_TEST_MEDIA_STREAM_CLIENT_H_
+#define CONTENT_TEST_TEST_MEDIA_STREAM_CLIENT_H_
 
 #include "base/callback_forward.h"
+#include "content/public/renderer/render_view_observer.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "webkit/renderer/media/media_stream_client.h"
 
 namespace content {
 
-// ShellMediaStreamClient is a mock implementation of
+// TestMediaStreamClient is a mock implementation of
 // webkit_media::MediaStreamClient used when running layout tests.
-class ShellMediaStreamClient : public webkit_media::MediaStreamClient {
+class TestMediaStreamClient : public RenderViewObserver,
+                              public webkit_media::MediaStreamClient {
  public:
-  ShellMediaStreamClient();
-  virtual ~ShellMediaStreamClient();
+  explicit TestMediaStreamClient(RenderView* render_view);
+  virtual ~TestMediaStreamClient();
 
   // webkit_media::MediaStreamClient implementation.
   virtual bool IsMediaStream(const GURL& url) OVERRIDE;
   virtual scoped_refptr<webkit_media::VideoFrameProvider> GetVideoFrameProvider(
       const GURL& url,
       const base::Closure& error_cb,
       const webkit_media::VideoFrameProvider::RepaintCB& repaint_cb) OVERRIDE;
   virtual scoped_refptr<webkit_media::MediaStreamAudioRenderer>
       GetAudioRenderer(const GURL& url) OVERRIDE;
 };
 
 }  // namespace content
 
-#endif  // CONTENT_SHELL_RENDERER_SHELL_MEDIA_STREAM_CLIENT_H_
+#endif  // CONTENT_TEST_TEST_MEDIA_STREAM_CLIENT_H_