[ash-md] Cancels overview mode before switching user profiles

ash/common/wm/overview/window_selector_controller.cc

 // Copyright 2013 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/common/wm/overview/window_selector_controller.h"
 
 #include <vector>
 
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
@@ skipping 50 matching lines @@
     if (windows.empty())
       return;
 
     WmShell::Get()->OnOverviewModeStarting();
     window_selector_.reset(new WindowSelector(this));
     window_selector_->Init(windows);
     OnSelectionStarted();
   }
 }
 
-bool WindowSelectorController::IsSelecting() {
+bool WindowSelectorController::IsSelecting() const {
   return window_selector_.get() != NULL;
 }
 
 bool WindowSelectorController::IsRestoringMinimizedWindows() const {
   return window_selector_.get() != NULL &&
          window_selector_->restoring_minimized_windows();
 }
 
 // TODO(flackr): Make WindowSelectorController observe the activation of
 // windows, so we can remove WindowSelectorDelegate.
@@ skipping 30 matching lines @@
 }
 
 void WindowSelectorController::OnSelectionStarted() {
   if (!last_selection_time_.is_null()) {
     UMA_HISTOGRAM_LONG_TIMES("Ash.WindowSelector.TimeBetweenUse",
                              base::Time::Now() - last_selection_time_);
   }
 }
 
 }  // namespace ash