WebWidgetClient::screenInfo() no longer does a synchronous IPC.

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 632 matching lines @@
   // 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)
+
+  // The properties of the screen associated with the view.
+  IPC_STRUCT_MEMBER(WebKit::WebScreenInfo, screen_info)
 IPC_STRUCT_END()
 
 // Messages sent from the browser to the renderer.
 
 // Sent to the RenderView when a new tab is swapped into an existing
 // tab and the histories need to be merged. The existing tab has a history of
 // |merged_history_length| which precedes the history of the new tab. All
 // page_ids >= |minimum_page_id| in the new tab are appended to the history.
 //
 // For example, suppose the history of page_ids in the new tab's RenderView
@@ skipping 1329 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)