Add HandleInputEventAck message to allow out-of-process plugins to respond to user gestures.

ppapi/proxy/ppapi_messages.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.
 
 // Multiply-included message header, no traditional include guard.
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
@@ skipping 12 matching lines @@
 #include "ppapi/c/dev/ppb_text_input_dev.h"
 #include "ppapi/c/dev/ppp_printing_dev.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_file_info.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_point.h"
 #include "ppapi/c/pp_rect.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_size.h"
+#include "ppapi/c/pp_time.h"
 #include "ppapi/c/private/ppb_tcp_socket_private.h"
 #include "ppapi/proxy/ppapi_param_traits.h"
 #include "ppapi/proxy/ppapi_proxy_export.h"
 #include "ppapi/proxy/serialized_flash_menu.h"
 #include "ppapi/proxy/serialized_structs.h"
 #include "ppapi/shared_impl/ppapi_preferences.h"
 #include "ppapi/shared_impl/ppb_device_ref_shared.h"
 #include "ppapi/shared_impl/ppb_input_event_shared.h"
 #include "ppapi/shared_impl/ppb_url_request_info_shared.h"
 #include "ppapi/shared_impl/ppb_view_shared.h"
@@ skipping 383 matching lines @@
                     PP_Instance /* instance */)
 
 // PPP_InputEvent.
 IPC_MESSAGE_ROUTED2(PpapiMsg_PPPInputEvent_HandleInputEvent,
                     PP_Instance /* instance */,
                     ppapi::InputEventData /* data */)
 IPC_SYNC_MESSAGE_ROUTED2_1(PpapiMsg_PPPInputEvent_HandleFilteredInputEvent,
                            PP_Instance /* instance */,
                            ppapi::InputEventData /* data */,
                            PP_Bool /* result */)
+// (Message from the plugin to the browser that it handled an input event.)
+IPC_MESSAGE_ROUTED2(PpapiMsg_PPPInputEvent_HandleInputEvent_ACK,
+                    PP_Instance /* instance */,
+                    PP_TimeTicks /* timestamp */)
 
 // PPP_Instance.
 IPC_SYNC_MESSAGE_ROUTED3_1(PpapiMsg_PPPInstance_DidCreate,
                            PP_Instance /* instance */,
                            std::vector<std::string> /* argn */,
                            std::vector<std::string> /* argv */,
                            PP_Bool /* result */)
 IPC_SYNC_MESSAGE_ROUTED1_0(PpapiMsg_PPPInstance_DidDestroy,
                            PP_Instance /* instance */)
 IPC_MESSAGE_ROUTED3(PpapiMsg_PPPInstance_DidChangeView,
@@ skipping 802 matching lines @@
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_PPBTCPServerSocket_Accept,
                      uint32 /* real_socket_id */)
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_PPBTCPServerSocket_Destroy,
                      uint32 /* real_socket_id */)
 
 // PPB_Font.
 IPC_SYNC_MESSAGE_CONTROL0_1(PpapiHostMsg_PPBFont_GetFontFamilies,
                             std::string /* result */)
 #endif  // !defined(OS_NACL)