Makes the launcher auto-hide for maximized windows. This turned out to

ash/screen_ash.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/screen_ash.h"
 
+#include "ash/shell.h"
+#include "ash/wm/shelf_layout_manager.h"
 #include "base/logging.h"
 #include "ui/aura/env.h"
 #include "ui/aura/monitor.h"
 #include "ui/aura/monitor_manager.h"
 #include "ui/aura/root_window.h"
 
 namespace ash {
 
 // TODO(oshima): For m19, the origin of work area/monitor bounds for
 // views/aura is (0,0) because it's simple and enough. Fix this when
 // real multi monitor support is implemented.
 
 namespace {
 aura::MonitorManager* GetMonitorManager() {
   return aura::Env::GetInstance()->monitor_manager();
 }
 }  // namespace
 
 ScreenAsh::ScreenAsh(aura::RootWindow* root_window)
     : root_window_(root_window) {
 }
 
 ScreenAsh::~ScreenAsh() {
 }
 
+// static
+gfx::Rect ScreenAsh::GetMaximizedWindowBounds(aura::Window* window) {
+  return Shell::GetInstance()->shelf()->GetMaximizedWindowBounds(window);
+}
+
+// static
+gfx::Rect ScreenAsh::GetUnmaximizedWorkAreaBounds(aura::Window* window) {
+  return Shell::GetInstance()->shelf()->GetUnmaximizedWorkAreaBounds(window);
+}
+
 gfx::Point ScreenAsh::GetCursorScreenPointImpl() {
   return root_window_->last_mouse_location();
 }
 
 gfx::Rect ScreenAsh::GetMonitorWorkAreaNearestWindowImpl(
     gfx::NativeWindow window) {
   return GetMonitorManager()->GetMonitorNearestWindow(window)->
       GetWorkAreaBounds();
 }
 
@@ skipping 22 matching lines @@
 
 gfx::Size ScreenAsh::GetPrimaryMonitorSizeImpl() {
   return GetMonitorManager()->GetMonitorAt(0)->size();
 }
 
 int ScreenAsh::GetNumMonitorsImpl() {
   return GetMonitorManager()->GetNumMonitors();
 }
 
 }  // namespace ash