Remove RenderThreadImpl dependencies from WebMediaPlayerImpl.

content/renderer/media/crypto/encrypted_media_player_support_impl.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_IMPL_H_
 #define CONTENT_RENDERER_MEDIA_CRYPTO_ENCRYPTED_MEDIA_PLAYER_SUPPORT_IMPL_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "content/renderer/media/crypto/encrypted_media_player_support.h"
 #include "content/renderer/media/crypto/proxy_decryptor.h"
 
+namespace blink {
+class WebMediaPlayerClient;
+}
+
 namespace content {
 
 class WebContentDecryptionModuleImpl;
 
 class EncryptedMediaPlayerSupportImpl
     : public EncryptedMediaPlayerSupport,
       public base::SupportsWeakPtr<EncryptedMediaPlayerSupportImpl> {
  public:
-  explicit EncryptedMediaPlayerSupportImpl(blink::WebMediaPlayerClient* client);
+  static scoped_ptr<EncryptedMediaPlayerSupport> Create(
+      blink::WebMediaPlayerClient* client);
+
   virtual ~EncryptedMediaPlayerSupportImpl();
 
   // EncryptedMediaPlayerSupport implementation.
   virtual blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest(
       blink::WebLocalFrame* frame,
       const blink::WebString& key_system,
       const unsigned char* init_data,
       unsigned init_data_length)  OVERRIDE;
 
   virtual blink::WebMediaPlayer::MediaKeyException AddKey(
@@ skipping 15 matching lines @@
       blink::WebContentDecryptionModuleResult result) OVERRIDE;
   virtual void SetContentDecryptionModuleSync(
       blink::WebContentDecryptionModule* cdm) OVERRIDE;
 
   virtual media::SetDecryptorReadyCB CreateSetDecryptorReadyCB() OVERRIDE;
   virtual media::Demuxer::NeedKeyCB CreateNeedKeyCB() OVERRIDE;
 
   virtual void OnPipelineDecryptError() OVERRIDE;
 
  private:
+  explicit EncryptedMediaPlayerSupportImpl(blink::WebMediaPlayerClient* client);
+
   // Requests that this object notifies when a decryptor is ready through the
   // |decryptor_ready_cb| provided.
   // If |decryptor_ready_cb| is null, the existing callback will be fired with
   // NULL immediately and reset.
   void SetDecryptorReadyCB(const media::DecryptorReadyCB& decryptor_ready_cb);
 
   blink::WebMediaPlayer::MediaKeyException GenerateKeyRequestInternal(
       blink::WebLocalFrame* frame,
       const std::string& key_system,
       const unsigned char* init_data,
@@ skipping 43 matching lines @@
   // setContentDecryptionModule().
   WebContentDecryptionModuleImpl* web_cdm_;
 
   media::DecryptorReadyCB decryptor_ready_cb_;
 
   DISALLOW_COPY_AND_ASSIGN(EncryptedMediaPlayerSupportImpl);
 };
 }
 
 #endif  // CONTENT_RENDERER_MEDIA_CRYPTO_ENCRYPTED_MEDIA_PLAYER_SUPPORT_IMPL_H_