Remove RenderThreadImpl dependencies from WebMediaPlayerImpl.

content/renderer/media/crypto/encrypted_media_player_support.h

 // Copyright 2014 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_CRYPTO_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_
 #define CONTENT_RENDERER_MEDIA_CRYPTO_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_
 
 #include "media/base/decryptor.h"
 #include "media/base/demuxer.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
 
 namespace blink {
 class WebContentDecryptionModule;
 class WebContentDecryptionModuleResult;
 class WebLocalFrame;
 class WebMediaPlayerClient;
 class WebString;
 }
 
 namespace content {
 
 class EncryptedMediaPlayerSupport {
  public:
-  // Creates a new instance of EncryptedMediaPlayerSupport for |client|. This
-  // method must always return a valid pointer.

[scherkus (not reviewing), 2014/08/28 18:36:12]

is the plan to move this to media/ as well?

if so ... I'm curious how we plan to support the EME methods. Will we have a
stub implementation of this, or return NULL, or ???

[acolwell GONE FROM CHROMIUM, 2014/08/28 19:07:28]

Yes.
The plan is to have a stub implementation so that we don't have to have null
checks everywhere.

-  static scoped_ptr<EncryptedMediaPlayerSupport> Create(
-      blink::WebMediaPlayerClient* client);
-
   EncryptedMediaPlayerSupport();
   virtual ~EncryptedMediaPlayerSupport();
 
   // Prefixed API methods.
   virtual blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest(
       blink::WebLocalFrame* frame,
       const blink::WebString& key_system,
       const unsigned char* init_data,
       unsigned init_data_length) = 0;
 
@@ skipping 36 matching lines @@
   // and handled a decryption error.
   virtual void OnPipelineDecryptError() = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(EncryptedMediaPlayerSupport);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_CRYPTO_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_