Desynchronize windowless plugin painting. This greatly improves the painting...

chrome/common/plugin_messages_internal.h

 // Copyright (c) 2006-2008 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.
 
 #include "base/shared_memory.h"
 #include "chrome/common/ipc_message_macros.h"
 #include "webkit/glue/webcursor.h"
 
 //-----------------------------------------------------------------------------
 // PluginProcess messages
@@ skipping 84 matching lines @@
                               int /* instance_id */)
 
   IPC_SYNC_MESSAGE_CONTROL0_1(PluginMsg_GenerateRouteID,
                              int /* id */)
 
   // The messages below all map to WebPluginDelegate methods.
   IPC_SYNC_MESSAGE_ROUTED1_1(PluginMsg_Init,
                              PluginMsg_Init_Params,
                              bool /* result */)
 
-  IPC_SYNC_MESSAGE_ROUTED1_0(PluginMsg_Paint,
-                             PluginMsg_Paint_Params /* params */)
-
   IPC_SYNC_MESSAGE_ROUTED0_1(PluginMsg_Print,
                              PluginMsg_PrintResponse_Params /* params */)
 
-  // Returns a shared memory handle to a EMF buffer.
-  IPC_SYNC_MESSAGE_ROUTED1_2(PluginMsg_PaintIntoSharedMemory,
-                             PluginMsg_Paint_Params /* params */,
-                             SharedMemoryHandle /* emf_buffer */,
-                             size_t /* bytes */)
-
   IPC_SYNC_MESSAGE_ROUTED0_2(PluginMsg_GetPluginScriptableObject,
                              int /* route_id */,
                              void* /* npobject_ptr */)
 
   IPC_SYNC_MESSAGE_ROUTED1_0(PluginMsg_DidFinishLoadWithReason,
                              int /* reason */)
 
-  IPC_MESSAGE_ROUTED3(PluginMsg_UpdateGeometry,
+  IPC_MESSAGE_ROUTED5(PluginMsg_UpdateGeometry,
                       gfx::Rect /* window_rect */,
                       gfx::Rect /* clip_rect */,
-                      bool /* visible */)
+                      bool /* visible */,
+                      SharedMemoryHandle /* windowless_buffer */,
+                      SharedMemoryLock /* windowless_buffer_lock */)
 
   IPC_SYNC_MESSAGE_ROUTED0_0(PluginMsg_SetFocus)
 
   IPC_SYNC_MESSAGE_ROUTED1_2(PluginMsg_HandleEvent,
                              NPEvent /* event */,
                              bool /* handled */,
                              WebCursor /* cursor type*/)
 
   IPC_SYNC_MESSAGE_ROUTED2_0(PluginMsg_WillSendRequest,
                              int /* id */,
@@ skipping 154 matching lines @@
   IPC_SYNC_MESSAGE_ROUTED1_2(NPObjectMsg_Evaluate,
                              std::string /* script */,
                              NPVariant_Param /* result_param */,
                              bool /* result */)
 
   IPC_SYNC_MESSAGE_ROUTED1_0(NPObjectMsg_SetException,
                              std::string /* message */)
 
 IPC_END_MESSAGES(NPObject)