Converts overview to use common ash types

ash/wm/aura/wm_globals_aura.h

 // Copyright 2016 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.
 
 #ifndef ASH_WM_AURA_WM_GLOBALS_AURA_H_
 #define ASH_WM_AURA_WM_GLOBALS_AURA_H_
 
 #include <set>
 
 #include "ash/ash_export.h"
@@ skipping 14 matching lines @@
                                  public ShellObserver {
  public:
   WmGlobalsAura();
   ~WmGlobalsAura() override;
 
   static WmGlobalsAura* Get();
 
   // WmGlobals:
   WmWindow* GetFocusedWindow() override;
   WmWindow* GetActiveWindow() override;
+  WmWindow* GetPrimaryRootWindow() override;

[James Cook, 2016/05/27 00:02:51]

Heh, I could have used this method in the CL I just sent you. :-)

   WmWindow* GetRootWindowForDisplayId(int64_t display_id) override;
   WmWindow* GetRootWindowForNewWindows() override;
+  std::vector<WmWindow*> GetMruWindowList() override;
   std::vector<WmWindow*> GetMruWindowListIgnoreModals() override;
   bool IsForceMaximizeOnFirstRun() override;
   bool IsUserSessionBlocked() override;
   bool IsScreenLocked() override;
   void LockCursor() override;
   void UnlockCursor() override;
   std::vector<WmWindow*> GetAllRootWindows() override;
   void RecordUserMetricsAction(WmUserMetricsAction action) override;
   std::unique_ptr<WindowResizer> CreateDragWindowResizer(
       std::unique_ptr<WindowResizer> next_window_resizer,
       wm::WindowState* window_state) override;
   bool IsOverviewModeSelecting() override;
   bool IsOverviewModeRestoringMinimizedWindows() override;
   void AddActivationObserver(WmActivationObserver* observer) override;
   void RemoveActivationObserver(WmActivationObserver* observer) override;
   void AddDisplayObserver(WmDisplayObserver* observer) override;
   void RemoveDisplayObserver(WmDisplayObserver* observer) override;
   void AddOverviewModeObserver(WmOverviewModeObserver* observer) override;
   void RemoveOverviewModeObserver(WmOverviewModeObserver* observer) override;
 
  private:
   // aura::client::ActivationChangeObserver:
   void OnWindowActivated(ActivationReason reason,
                          aura::Window* gained_active,
                          aura::Window* lost_active) override;
+  void OnAttemptToReactivateWindow(aura::Window* request_active,
+                                   aura::Window* actual_active) override;
 
   // WindowTreeHostManager::Observer:
   void OnDisplayConfigurationChanging() override;
   void OnDisplayConfigurationChanged() override;
 
   // ShellObserver:
   void OnOverviewModeEnded() override;
 
   WmLookupAura wm_lookup_;
   bool added_activation_observer_ = false;
   base::ObserverList<WmActivationObserver> activation_observers_;
 
   bool added_display_observer_ = false;
   base::ObserverList<WmDisplayObserver> display_observers_;
 
   base::ObserverList<WmOverviewModeObserver> overview_mode_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(WmGlobalsAura);
 };
 
 }  // namespace wm
 }  // namespace ash
 
 #endif  // ASH_WM_AURA_WM_GLOBALS_AURA_H_