ash: Make sure the uber-tray popup is positioned correctly.

ash/launcher/launcher.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 "ash/launcher/launcher.h"
 
 #include "ash/focus_cycler.h"
 #include "ash/launcher/launcher_delegate.h"
 #include "ash/launcher/launcher_model.h"
 #include "ash/launcher/launcher_view.h"
@@ skipping 147 matching lines @@
 void Launcher::SetPaintsBackground(
       bool value,
       internal::BackgroundAnimator::ChangeType change_type) {
   background_animator_.SetPaintsBackground(value, change_type);
 }
 
 void Launcher::SetStatusWidth(int width) {
   delegate_view_->SetStatusWidth(width);
 }
 
-int Launcher::GetStatusWidth() {
+int Launcher::GetStatusWidth() const {
   return delegate_view_->status_width();
 }
 
 gfx::Rect Launcher::GetScreenBoundsOfItemIconForWindow(aura::Window* window) {
   if (!delegate_.get())
     return gfx::Rect();
 
   LauncherID id = delegate_->GetIDByWindow(window);
   gfx::Rect bounds(launcher_view_->GetIdealBoundsOfItemIcon(id));
   if (bounds.IsEmpty())
@@ skipping 14 matching lines @@
 internal::LauncherView* Launcher::GetLauncherViewForTest() {
   return launcher_view_;
 }
 
 void Launcher::UpdateBackground(int alpha) {
   ui::Layer* layer = widget_->GetNativeView()->layer();
   layer->SetColor(SkColorSetARGB(alpha, 0, 0, 0));
 }
 
 }  // namespace ash