Implement asynchronous interface/plumbing for GetDefaultPrintSettings.

ppapi/proxy/ppb_instance_proxy.h

 // Copyright (c) 2012 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 PPAPI_PROXY_PPB_INSTANCE_PROXY_H_
 #define PPAPI_PROXY_PPB_INSTANCE_PROXY_H_
 
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_time.h"
@@ skipping 69 matching lines @@
                                  double minimum_factor,
                                  double maximium_factor) OVERRIDE;
   virtual void PostMessage(PP_Instance instance, PP_Var message) OVERRIDE;
   virtual PP_Bool SetCursor(PP_Instance instance,
                             PP_MouseCursor_Type type,
                             PP_Resource image,
                             const PP_Point* hot_spot) OVERRIDE;
   virtual int32_t LockMouse(PP_Instance instance,
                             scoped_refptr<TrackedCallback> callback) OVERRIDE;
   virtual void UnlockMouse(PP_Instance instance) OVERRIDE;
-  virtual PP_Bool GetDefaultPrintSettings(
+  virtual int32_t GetDefaultPrintSettings(
       PP_Instance instance,
-      PP_PrintSettings_Dev* print_settings) OVERRIDE;
+      PP_PrintSettings_Dev* print_settings,
+      scoped_refptr<TrackedCallback> callback) OVERRIDE;
   virtual void SetTextInputType(PP_Instance instance,
                                 PP_TextInput_Type type) OVERRIDE;
   virtual void UpdateCaretPosition(PP_Instance instance,
                                    const PP_Rect& caret,
                                    const PP_Rect& bounding_box) OVERRIDE;
   virtual void CancelCompositionText(PP_Instance instance) OVERRIDE;
   virtual void SelectionChanged(PP_Instance instance) OVERRIDE;
   virtual void UpdateSurroundingText(PP_Instance instance,
                                      const char* text,
                                      uint32_t caret,
@@ skipping 46 matching lines @@
                                    bool is_filtering,
                                    uint32_t event_classes);
   void OnHostMsgClearInputEvents(PP_Instance instance,
                                  uint32_t event_classes);
   void OnMsgHandleInputEventAck(PP_Instance instance,
                                 PP_TimeTicks timestamp);
   void OnHostMsgPostMessage(PP_Instance instance,
                             SerializedVarReceiveInput message);
   void OnHostMsgLockMouse(PP_Instance instance);
   void OnHostMsgUnlockMouse(PP_Instance instance);
-  void OnHostMsgGetDefaultPrintSettings(PP_Instance instance,
-                                        PP_PrintSettings_Dev* settings,
-                                        bool* result);
   void OnHostMsgSetCursor(PP_Instance instance,
                           int32_t type,
                           const ppapi::HostResource& custom_image,
                           const PP_Point& hot_spot);
   void OnHostMsgSetTextInputType(PP_Instance instance, PP_TextInput_Type type);
   void OnHostMsgUpdateCaretPosition(PP_Instance instance,
                                     const PP_Rect& caret,
                                     const PP_Rect& bounding_box);
   void OnHostMsgCancelCompositionText(PP_Instance instance);
   void OnHostMsgUpdateSurroundingText(
@@ skipping 15 matching lines @@
                                SerializedVarReturnValue result);
   void OnHostMsgGetPluginInstanceURL(PP_Instance instance,
                                      SerializedVarReturnValue result);
 #endif  // !defined(OS_NACL)
 
   // Host -> Plugin message handlers.
   void OnPluginMsgMouseLockComplete(PP_Instance instance, int32_t result);
 
   void MouseLockCompleteInHost(int32_t result, PP_Instance instance);
 
+  void OnPluginMsgGetDefaultPrintSettingsComplete(
+      int32 routing_id,
+      PP_Instance,
+      const PP_PrintSettings_Dev& settings,
+      int32_t result);
+
   ProxyCompletionCallbackFactory<PPB_Instance_Proxy> callback_factory_;
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_INSTANCE_PROXY_H_