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 607 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 1001 matching lines @@
 
 #if defined(OS_MACOSX)
 // Request that the browser load a font into shared memory for us.
 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_LoadFont,
                            FontDescriptor /* font to load */,
                            uint32 /* buffer size */,
                            base::SharedMemoryHandle /* font data */,
                            uint32 /* font id */)
 #endif
 
-// Returns WebScreenInfo corresponding to the view.
-// TODO(shess): Provide a mapping from reply_msg->routing_id() to
-// HWND so that we can eliminate the NativeViewId parameter.
-IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetScreenInfo,
-                           gfx::NativeViewId /* view */,
-                           WebKit::WebScreenInfo /* results */)
-
 // Send the tooltip text for the current mouse position to the browser.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_SetTooltipText,
                     string16 /* tooltip text string */,
                     WebKit::WebTextDirection /* text direction hint */)
 
 // Notification that the text selection has changed.
 // Note: The secound parameter is the character based offset of the string16
 // text in the document.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_SelectionChanged,
                     string16 /* text covers the selection range */,
@@ skipping 278 matching lines @@
 // have a javascript send a native value (string, number, boolean) to the
 // listener in Cpp. (DomAutomationController)
 IPC_MESSAGE_ROUTED2(ViewHostMsg_DomOperationResponse,
                     std::string  /* json_string */,
                     int  /* automation_id */)
 
 // Enable or disable inverting of web content pixels, for users who prefer
 // white-on-black.
 IPC_MESSAGE_ROUTED1(ViewMsg_InvertWebContent,
                     bool /* invert */)