Add decoder de-initialize and reset to the Pepper CDM API.

webkit/plugins/ppapi/ppapi_plugin_instance.h

Index: webkit/plugins/ppapi/ppapi_plugin_instance.h
diff --git a/webkit/plugins/ppapi/ppapi_plugin_instance.h b/webkit/plugins/ppapi/ppapi_plugin_instance.h
index 10c55f56ead19f3737c46b947e4a6fca37418ce5..fd224bd57a4924bc6e86ec64d1c2fcb5ac9de0c6 100644
--- a/webkit/plugins/ppapi/ppapi_plugin_instance.h
+++ b/webkit/plugins/ppapi/ppapi_plugin_instance.h
@@ -261,6 +261,10 @@ class WEBKIT_PLUGINS_EXPORT PluginInstance :
   bool CancelKeyRequest(const std::string& session_id);
   bool Decrypt(const scoped_refptr<media::DecoderBuffer>& encrypted_buffer,
                const media::Decryptor::DecryptCB& decrypt_cb);
+  // TODO(tomfinegan): Add callback args for DeinitializeDecoder() and
+  // ResetDecoder()
+  bool DeinitializeDecoder();
+  bool ResetDecoder();
   // TODO(xhwang): Update this when we need to support decrypt and decode.
   bool DecryptAndDecodeFrame(
       const scoped_refptr<media::DecoderBuffer>& encrypted_frame,
@@ -434,7 +438,9 @@ class WEBKIT_PLUGINS_EXPORT PluginInstance :
       PP_Instance instance,
       PP_URLComponents_Dev* components) OVERRIDE;
 
-  // TODO(tomfinegan): Move the next 7 methods to a delegate class.
+  // PPB_ContentDecryptor_Private
+  // TODO(tomfinegan): Move the PPB_ContentDecryptor_Private methods to a
+  // delegate class.
   virtual void NeedKey(PP_Instance instance,
                        PP_Var key_system,
                        PP_Var session_id,
@@ -455,6 +461,12 @@ class WEBKIT_PLUGINS_EXPORT PluginInstance :
   virtual void DeliverBlock(PP_Instance instance,
                             PP_Resource decrypted_block,
                             const PP_DecryptedBlockInfo* block_info) OVERRIDE;
+  virtual void DecoderDeinitializeDone(PP_Instance instance,
+                                       PP_StreamType decoder_type,
+                                       uint32_t request_id) OVERRIDE;
+  virtual void DecoderResetDone(PP_Instance instance,
+                                PP_StreamType decoder_type,
+                                uint32_t request_id) OVERRIDE;
   virtual void DeliverFrame(PP_Instance instance,
                             PP_Resource decrypted_frame,
                             const PP_DecryptedFrameInfo* frame_info) OVERRIDE;