Move WebMediaPlayerImpl and its dependencies to media/blink.

media/blink/webinbandtexttrack_impl.h

Index: media/blink/webinbandtexttrack_impl.h
diff --git a/content/renderer/media/webinbandtexttrack_impl.h b/media/blink/webinbandtexttrack_impl.h
similarity index 84%
rename from content/renderer/media/webinbandtexttrack_impl.h
rename to media/blink/webinbandtexttrack_impl.h
index 293fbd3fac93919237f9cc959a88c321daaa21fe..c08bfad69c2abdc07dc2ceb476833225563755fa 100644
--- a/content/renderer/media/webinbandtexttrack_impl.h
+++ b/media/blink/webinbandtexttrack_impl.h
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_RENDERER_MEDIA_WEBINBANDTEXTTRACK_IMPL_H_
-#define CONTENT_RENDERER_MEDIA_WEBINBANDTEXTTRACK_IMPL_H_
+#ifndef MEDIA_BLINK_WEBINBANDTEXTTRACK_IMPL_H_
+#define MEDIA_BLINK_WEBINBANDTEXTTRACK_IMPL_H_
 
 #include "third_party/WebKit/public/platform/WebInbandTextTrack.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
-namespace content {
+namespace media {
 
 class WebInbandTextTrackImpl : public blink::WebInbandTextTrack {
  public:
@@ -40,6 +40,6 @@ class WebInbandTextTrackImpl : public blink::WebInbandTextTrack {
   DISALLOW_COPY_AND_ASSIGN(WebInbandTextTrackImpl);
 };
 
-}  // namespace content
+}  // namespace media
 
-#endif  // CONTENT_RENDERER_MEDIA_WEBINBANDTEXTTRACK_IMPL_H_
+#endif  // MEDIA_BLINK_WEBINBANDTEXTTRACK_IMPL_H_