Folds WmRootWindowController into RootWindowController

ash/aura/wm_window_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_AURA_WM_WINDOW_AURA_H_
 #define ASH_AURA_WM_WINDOW_AURA_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/wm_window.h"
 #include "base/macros.h"
@@ skipping 35 matching lines @@
 
   aura::Window* aura_window() { return window_; }
   const aura::Window* aura_window() const { return window_; }
 
   // See description of |children_use_extended_hit_region_|.
   bool ShouldUseExtendedHitRegion() const;
 
   // WmWindow:
   void Destroy() override;
   const WmWindow* GetRootWindow() const override;
-  WmRootWindowController* GetRootWindowController() override;
+  RootWindowController* GetRootWindowController() override;
   WmShell* GetShell() const override;
   void SetName(const char* name) override;
   std::string GetName() const override;
   void SetTitle(const base::string16& title) override;
   base::string16 GetTitle() const override;
   void SetShellWindowId(int id) override;
   int GetShellWindowId() const override;
   WmWindow* GetChildByShellWindowId(int id) override;
   ui::wm::WindowType GetType() const override;
   int GetAppType() const override;
@@ skipping 174 matching lines @@
 
   // If true the minimum size is 0x0, default is minimum size comes from widget.
   bool use_empty_minimum_size_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(WmWindowAura);
 };
 
 }  // namespace ash
 
 #endif  // ASH_AURA_WM_WINDOW_AURA_H_