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..902d00639696583cca3275ed33239decce40ba52 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 ResetVideoDecoder() and
+  // StopVideoDecoder()
+  bool ResetVideoDecoder();
+  bool StopVideoDecoder();
   // TODO(xhwang): Update this when we need to support decrypt and decode.
   bool DecryptAndDecodeFrame(
       const scoped_refptr<media::DecoderBuffer>& encrypted_frame,
@@ -455,6 +459,10 @@ class WEBKIT_PLUGINS_EXPORT PluginInstance :
   virtual void DeliverBlock(PP_Instance instance,
                             PP_Resource decrypted_block,
                             const PP_DecryptedBlockInfo* block_info) OVERRIDE;
+  virtual void DecoderReset(PP_Instance instance,
+                            uint32_t request_id) OVERRIDE;
+  virtual void DecoderStopped(PP_Instance instance,
+                              uint32_t request_id) OVERRIDE;
   virtual void DeliverFrame(PP_Instance instance,
                             PP_Resource decrypted_frame,
                             const PP_DecryptedFrameInfo* frame_info) OVERRIDE;