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

content/browser/renderer_host/render_widget_host_impl.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 263 matching lines @@
                         OnMsgTextInputStateChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ImeCompositionRangeChanged,
                         OnMsgImeCompositionRangeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ImeCancelComposition,
                         OnMsgImeCancelComposition)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidActivateAcceleratedCompositing,
                         OnMsgDidActivateAcceleratedCompositing)
     IPC_MESSAGE_HANDLER(ViewHostMsg_LockMouse, OnMsgLockMouse)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UnlockMouse, OnMsgUnlockMouse)
 #if defined(OS_POSIX) || defined(USE_AURA)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_GetScreenInfo, OnMsgGetScreenInfo)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetWindowRect, OnMsgGetWindowRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetRootWindowRect, OnMsgGetRootWindowRect)
 #endif
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewHostMsg_PluginFocusChanged,
                         OnMsgPluginFocusChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_StartPluginIme,
                         OnMsgStartPluginIme)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AllocateFakePluginWindowHandle,
                         OnAllocateFakePluginWindowHandle)
@@ skipping 1205 matching lines @@
 
   pending_mouse_lock_request_ = true;
   RequestToLockMouse(user_gesture, last_unlocked_by_target);
 }
 
 void RenderWidgetHostImpl::OnMsgUnlockMouse() {
   RejectMouseLockOrUnlockIfNecessary();
 }
 
 #if defined(OS_POSIX) || defined(USE_AURA)
+void RenderWidgetHostImpl::OnMsgGetScreenInfo(gfx::NativeViewId window_id,
+                                              WebKit::WebScreenInfo* results) {
+  if (view_)
+    view_->GetScreenInfo(results);
+  else
+    RenderWidgetHostViewPort::GetDefaultScreenInfo(results);
+}
+
 void RenderWidgetHostImpl::OnMsgGetWindowRect(gfx::NativeViewId window_id,
                                               gfx::Rect* results) {
   if (view_)
     *results = view_->GetViewBounds();
 }
 
 void RenderWidgetHostImpl::OnMsgGetRootWindowRect(gfx::NativeViewId window_id,
                                               gfx::Rect* results) {
   if (view_)
     *results = view_->GetRootWindowBounds();
@@ skipping 268 matching lines @@
   // indicate that no callback is in progress (i.e. without this line
   // DelayedAutoResized will not get called again).
   new_auto_size_.SetSize(0, 0);
   if (!should_auto_resize_)
     return;
 
   OnRenderAutoResized(new_size);
 }
 
 }  // namespace content