Add context to gfx::Screen calls in support of simultaneous desktop+ash

chrome/browser/ui/views/notifications/balloon_collection_views.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 "chrome/browser/notifications/balloon_collection_impl.h"
 
 #include "chrome/browser/notifications/balloon.h"
 #include "chrome/browser/ui/views/notifications/balloon_view_views.h"
 #include "ui/base/events/event_constants.h"
 #include "ui/gfx/rect.h"
@@ skipping 62 matching lines @@
   NOTIMPLEMENTED();
 #endif
 }
 
 bool BalloonCollectionImpl::IsCursorInBalloonCollection() const {
 #if defined(OS_WIN)
   gfx::Point cursor(GetMessagePos());
 #else
   // TODO(saintlou): Not sure if this is correct because on Windows at least
   // the following call is GetCursorPos() not GetMessagePos().
-  gfx::Point cursor(gfx::Screen::GetCursorScreenPoint());
+  // TODO(scottmg): NativeScreen might be wrong. http://crbug.com/133312
+  gfx::Point cursor(gfx::Screen::GetNativeScreen()->GetCursorScreenPoint());
 #endif
   return GetBalloonsBoundingBox().Contains(cursor);
 }
 
 void BalloonCollectionImpl::SetPositionPreference(
     PositionPreference position) {
   if (position == DEFAULT_POSITION)
     position = LOWER_RIGHT;
 
   // All positioning schemes are vertical, and windows
@@ skipping 12 matching lines @@
   layout_.ComputeOffsetToMoveAbovePanels();
   PositionBalloons(true);
 }
 
 #if !defined(OS_CHROMEOS)
 // static
 BalloonCollection* BalloonCollection::Create() {
   return new BalloonCollectionImpl();
 }
 #endif