PPAPI: Force async callback invocation option.

webkit/plugins/ppapi/common.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 WEBKIT_PLUGINS_PPAPI_COMMON_H_
 #define WEBKIT_PLUGINS_PPAPI_COMMON_H_
 
 #include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_var.h"
 
 namespace webkit {
 namespace ppapi {
 
 inline PP_Bool BoolToPPBool(bool value) {
   return value ? PP_TRUE : PP_FALSE;
 }
 
 inline bool PPBoolToBool(PP_Bool value) {
   return (PP_TRUE == value);
 }
 
+// Skips callback invocation and returns |result| if callback function is NULL
+// or PP_COMPLETIONCALLBACK_FLAG_OPTIONAL is set. Otherwise, schedules the
+// callback with |result| as an argument and returns PP_OK_COMPLETIONPENDING.
+int32_t MayForceCallback(PP_CompletionCallback callback, int32_t result);

[piman, 2011/06/07 17:32:14]

Can you re-use the one in ppapi/thunk instead of duplicating ? All the
interfaces will be converted to it eventually anyway.

[polina, 2011/06/09 23:53:51]

Done.

+
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_COMMON_H_
-