PPAPI: Make blocking completion callbacks work.

webkit/plugins/ppapi/ppapi_plugin_instance.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 WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 #define WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 19 matching lines @@
 #include "ppapi/c/ppb_audio_config.h"
 #include "ppapi/c/ppb_input_event.h"
 #include "ppapi/c/ppb_gamepad.h"
 #include "ppapi/c/ppp_graphics_3d.h"
 #include "ppapi/c/ppp_input_event.h"
 #include "ppapi/c/ppp_messaging.h"
 #include "ppapi/c/ppp_mouse_lock.h"
 #include "ppapi/c/private/ppp_instance_private.h"
 #include "ppapi/shared_impl/ppb_instance_shared.h"
 #include "ppapi/shared_impl/ppb_view_shared.h"
+#include "ppapi/shared_impl/tracked_callback.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCanvas.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPlugin.h"
 #include "ui/base/ime/text_input_type.h"
 #include "ui/gfx/rect.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 #include "webkit/plugins/ppapi/ppb_flash_impl.h"
 #include "webkit/plugins/ppapi/ppp_pdf.h"
 #include "webkit/plugins/ppapi/resource_creation_impl.h"
@@ skipping 314 matching lines @@
                                        PP_TimeTicks timestamp);
   virtual void ZoomChanged(PP_Instance instance, double factor) OVERRIDE;
   virtual void ZoomLimitsChanged(PP_Instance instance,
                                  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,
-                            PP_CompletionCallback callback) OVERRIDE;
+  virtual int32_t LockMouse(
+      PP_Instance instance,
+      scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE;
   virtual void UnlockMouse(PP_Instance instance) OVERRIDE;
   virtual PP_Bool GetDefaultPrintSettings(
       PP_Instance instance,
       PP_PrintSettings_Dev* print_settings) 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;
@@ skipping 253 matching lines @@
   ui::TextInputType text_input_type_;
   gfx::Rect text_input_caret_;
   gfx::Rect text_input_caret_bounds_;
   bool text_input_caret_set_;
 
   // Text selection status.
   std::string surrounding_text_;
   size_t selection_caret_;
   size_t selection_anchor_;
 
-  PP_CompletionCallback lock_mouse_callback_;
+  scoped_refptr< ::ppapi::TrackedCallback> lock_mouse_callback_;
 
   // Track pending user gestures so out-of-process plugins can respond to
   // a user gesture after it has been processed.
   PP_TimeTicks pending_user_gesture_;
 
   // The Flash proxy is associated with the instance.
   PPB_Flash_Impl flash_impl_;
 
   // We store the arguments so we can re-send them if we are reset to talk to
   // NaCl via the IPC NaCl proxy.
   std::vector<std::string> argn_;
   std::vector<std::string> argv_;
 
   // This is NULL unless HandleDocumentLoad has called. In that case, we store
   // the pointer so we can re-send it later if we are reset to talk to NaCl.
   scoped_refptr<PPB_URLLoader_Impl> document_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstance);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_