PPAPI: Make blocking completion callbacks work.

webkit/plugins/ppapi/ppb_websocket_impl.h

Index: webkit/plugins/ppapi/ppb_websocket_impl.h
diff --git a/webkit/plugins/ppapi/ppb_websocket_impl.h b/webkit/plugins/ppapi/ppb_websocket_impl.h
index 765e6c9f5077abee2c23734b1c19fd880e69619f..5feff645fe4b783e7d5da25651ff8e026d167364 100644
--- a/webkit/plugins/ppapi/ppb_websocket_impl.h
+++ b/webkit/plugins/ppapi/ppb_websocket_impl.h
@@ -42,12 +42,12 @@ class PPB_WebSocket_Impl : public ::ppapi::Resource,
   virtual int32_t Connect(PP_Var url,
                           const PP_Var protocols[],
                           uint32_t protocol_count,
-                          PP_CompletionCallback callback) OVERRIDE;
+                          ::ppapi::ApiCallbackType callback) OVERRIDE;
   virtual int32_t Close(uint16_t code,
                         PP_Var reason,
-                        PP_CompletionCallback callback) OVERRIDE;
+                        ::ppapi::ApiCallbackType callback) OVERRIDE;
   virtual int32_t ReceiveMessage(PP_Var* message,
-                                 PP_CompletionCallback callback) OVERRIDE;
+                                 ::ppapi::ApiCallbackType callback) OVERRIDE;
   virtual int32_t SendMessage(PP_Var message) OVERRIDE;
   virtual uint64_t GetBufferedAmount() OVERRIDE;
   virtual uint16_t GetCloseCode() OVERRIDE;