Remove ash::ShellDelegate::IsFirstRunAfterBoot method

ash/root_window_controller.h

 // 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.
 
 #ifndef ASH_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_ROOT_WINDOW_CONTROLLER_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 175 matching lines @@
   bool IsVirtualKeyboardWindow(aura::Window* window);
 
   // If touch exploration is enabled, update the touch exploration
   // controller so that synthesized touch events are anchored at this point.
   void SetTouchAccessibilityAnchorPoint(const gfx::Point& anchor_point);
 
  private:
   explicit RootWindowController(AshWindowTreeHost* host);
   enum RootWindowType { PRIMARY, SECONDARY };
 
-  // Initializes the RootWindowController.  |is_primary| is true if
-  // the controller is for primary display.  |first_run_after_boot| is
-  // set to true only for primary root window after boot.
-  void Init(RootWindowType root_window_type, bool first_run_after_boot);
+  // Initializes the RootWindowController based on |root_window_type|.
+  void Init(RootWindowType root_window_type);
 
   void InitLayoutManagers();
 
   // Initializes |system_wallpaper_| and possibly also |boot_splash_screen_|.
-  // |is_first_run_after_boot| determines the wallpaper's initial color.
-  void CreateSystemWallpaper(bool is_first_run_after_boot);
+  // The initial color is determined by the |root_window_type| and whether or
+  // not this is the first boot.
+  void CreateSystemWallpaper(RootWindowType root_window_type);
 
   // Enables projection touch HUD.
   void EnableTouchHudProjection();
 
   // Disables projection touch HUD.
   void DisableTouchHudProjection();
 
   DockedWindowLayoutManager* docked_window_layout_manager();
   PanelLayoutManager* panel_layout_manager();
 
@@ skipping 37 matching lines @@
 
 // On classic ash, returns the RootWindowController for the given |root_window|.
 // On mus ash, returns the RootWindowController for the primary display.
 // See RootWindowController class comment above.
 ASH_EXPORT RootWindowController* GetRootWindowController(
     const aura::Window* root_window);
 
 }  // namespace ash
 
 #endif  // ASH_ROOT_WINDOW_CONTROLLER_H_