Separate CDM initialization from GenerateKeyRequest & remove key_system parameters.

webkit/renderer/media/android/webmediaplayer_android.h

Index: webkit/renderer/media/android/webmediaplayer_android.h
diff --git a/webkit/renderer/media/android/webmediaplayer_android.h b/webkit/renderer/media/android/webmediaplayer_android.h
index 799909b4b9f86b497329d6cc6914bee6d9f54238..fe7c3967848e2b9011750f3e0a9b1bf8f9cccebe 100644
--- a/webkit/renderer/media/android/webmediaplayer_android.h
+++ b/webkit/renderer/media/android/webmediaplayer_android.h
@@ -206,18 +206,15 @@ class WebMediaPlayerAndroid
       const WebKit::WebString& key_system,
       const WebKit::WebString& session_id) OVERRIDE;
 
-  void OnKeyAdded(const std::string& key_system, const std::string& session_id);
-  void OnKeyError(const std::string& key_system,
-                  const std::string& session_id,
+  void OnKeyAdded(const std::string& session_id);
+  void OnKeyError(const std::string& session_id,
                   media::MediaKeys::KeyError error_code,
                   int system_code);
-  void OnKeyMessage(const std::string& key_system,
-                    const std::string& session_id,
+  void OnKeyMessage(const std::string& session_id,
                     const std::string& message,
                     const std::string& destination_url);
 
-  void OnNeedKey(const std::string& key_system,
-                 const std::string& type,
+  void OnNeedKey(const std::string& type,
                  const std::string& session_id,
                  scoped_ptr<uint8[]> init_data,
                  int init_data_size);