Revert 124453 - WebWidgetClient::screenInfo() no longer does a synchronous IPC.

content/browser/renderer_host/render_widget_host_impl.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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #pragma once
 
 #include <deque>
 #include <string>
@@ skipping 470 matching lines @@
                                   bool can_compose_inline);
   void OnMsgImeCompositionRangeChanged(const ui::Range& range);
   void OnMsgImeCancelComposition();
 
   void OnMsgDidActivateAcceleratedCompositing(bool activated);
 
   void OnMsgLockMouse(bool user_gesture, bool last_unlocked_by_target);
   void OnMsgUnlockMouse();
 
 #if defined(OS_POSIX) || defined(USE_AURA)
+  void OnMsgGetScreenInfo(gfx::NativeViewId view,
+                          WebKit::WebScreenInfo* results);
   void OnMsgGetWindowRect(gfx::NativeViewId window_id, gfx::Rect* results);
   void OnMsgGetRootWindowRect(gfx::NativeViewId window_id, gfx::Rect* results);
 #endif
 #if defined(OS_MACOSX)
   void OnMsgPluginFocusChanged(bool focused, int plugin_id);
   void OnMsgStartPluginIme();
   void OnAllocateFakePluginWindowHandle(bool opaque,
                                         bool root,
                                         gfx::PluginWindowHandle* id);
   void OnDestroyFakePluginWindowHandle(gfx::PluginWindowHandle id);
@@ skipping 217 matching lines @@
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   scoped_ptr<TapSuppressionController> tap_suppression_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_