gpu: reference target surfaces through a globally unique surface id.

content/common/view_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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
@@ skipping 621 matching lines @@
 
   // Renderer-wide preferences.
   IPC_STRUCT_MEMBER(content::RendererPreferences, renderer_preferences)
 
   // Preferences for this view.
   IPC_STRUCT_MEMBER(WebPreferences, web_preferences)
 
   // The ID of the view to be created.
   IPC_STRUCT_MEMBER(int32, view_id)
 
+  // The ID of the rendering surface.
+  IPC_STRUCT_MEMBER(int32, surface_id)
+
   // The session storage namespace ID this view should use.
   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 
   // The name of the frame associated with this view (or empty if none).
   IPC_STRUCT_MEMBER(string16, frame_name)
 
   // The initial page ID to use for this view, which must be larger than any
   // existing navigation that might be loaded in the view.  Page IDs are unique
   // to a view and are only updated by the renderer after this initial value.
   IPC_STRUCT_MEMBER(int32, next_page_id)
@@ skipping 532 matching lines @@
 // Temporary message to diagnose an unexpected condition in TabContents.
 IPC_MESSAGE_CONTROL1(ViewMsg_TempCrashWithData,
                      GURL /* data */)
 
 
 // Messages sent from the renderer to the browser.
 
 // Sent by the renderer when it is creating a new window.  The browser creates
 // a tab for it and responds with a ViewMsg_CreatingNew_ACK.  If route_id is
 // MSG_ROUTING_NONE, the view couldn't be created.
-IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_CreateWindow,
+IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_CreateWindow,
                             ViewHostMsg_CreateWindow_Params,
                             int /* route_id */,
+                            int32 /* surface_id */,
                             int64 /* cloned_session_storage_namespace_id */)
 
 // Similar to ViewHostMsg_CreateWindow, except used for sub-widgets, like
 // <select> dropdowns.  This message is sent to the TabContents that
 // contains the widget being created.
-IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_CreateWidget,
+IPC_SYNC_MESSAGE_CONTROL2_2(ViewHostMsg_CreateWidget,
                             int /* opener_id */,
                             WebKit::WebPopupType /* popup type */,
-                            int /* route_id */)
+                            int /* route_id */,
+                            int32 /* surface_id */)
 
 // Similar to ViewHostMsg_CreateWidget except the widget is a full screen
 // window.
-IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateFullscreenWidget,
+IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_CreateFullscreenWidget,
                             int /* opener_id */,
-                            int /* route_id */)
+                            int /* route_id */,
+                            int32 /* surface_id */)
 
 // Get all savable resource links from current webpage, include main
 // frame and sub-frame.
 IPC_MESSAGE_ROUTED1(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
                     GURL /* url of page which is needed to save */)
 
 // Get html data by serializing all frames of current page with lists
 // which contain all resource links that have local copy.
 IPC_MESSAGE_ROUTED3(ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
                     std::vector<GURL> /* urls that have local copy */,
@@ skipping 753 matching lines @@
                      media::MediaLogEvent /* event */)
 
 // Requests to lock the mouse. Will result in a ViewMsg_LockMouse_ACK message
 // being sent back.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_LockMouse)
 
 // Requests to unlock the mouse. A ViewMsg_MouseLockLost message will be sent
 // whenever the mouse is unlocked (which may or may not be caused by
 // ViewHostMsg_UnlockMouse).
 IPC_MESSAGE_ROUTED0(ViewHostMsg_UnlockMouse)