Extract content dependency from keyboard code

chrome/browser/ui/ash/chrome_shell_delegate.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 CHROME_BROWSER_UI_ASH_CHROME_SHELL_DELEGATE_H_
 #define CHROME_BROWSER_UI_ASH_CHROME_SHELL_DELEGATE_H_
 
 #include <string>
 
 #include "ash/shelf/shelf_item_types.h"
@@ skipping 10 matching lines @@
 
 namespace ash {
 class ShelfItemDelegate;
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace keyboard {
-class KeyboardControllerProxy;
+class KeyboardUI;
 }
 
 #if defined(OS_CHROMEOS)
 namespace chromeos {
 class DisplayConfigurationObserver;
 }
 #endif
 
 class ChromeLauncherController;
 
 class ChromeShellDelegate : public ash::ShellDelegate,
                             public content::NotificationObserver {
  public:
   ChromeShellDelegate();
   ~ChromeShellDelegate() override;
 
   static ChromeShellDelegate* instance() { return instance_; }
 
   // ash::ShellDelegate overrides;
   bool IsFirstRunAfterBoot() const override;
   bool IsMultiProfilesEnabled() const override;
   bool IsIncognitoAllowed() const override;
   bool IsRunningInForcedAppMode() const override;
   bool IsMultiAccountEnabled() const override;
   bool CanShowWindowForUser(aura::Window* window) const override;
   bool IsForceMaximizeOnFirstRun() const override;
   void PreInit() override;
   void PreShutdown() override;
   void Exit() override;
-  keyboard::KeyboardControllerProxy* CreateKeyboardControllerProxy() override;
+  keyboard::KeyboardUI* CreateKeyboardUI() override;
   void VirtualKeyboardActivated(bool activated) override;
   void AddVirtualKeyboardStateObserver(
       ash::VirtualKeyboardStateObserver* observer) override;
   void RemoveVirtualKeyboardStateObserver(
       ash::VirtualKeyboardStateObserver* observer) override;
   app_list::AppListViewDelegate* GetAppListViewDelegate() override;
   ash::ShelfDelegate* CreateShelfDelegate(ash::ShelfModel* model) override;
   ash::SystemTrayDelegate* CreateSystemTrayDelegate() override;
   ash::UserWallpaperDelegate* CreateUserWallpaperDelegate() override;
   ash::SessionStateDelegate* CreateSessionStateDelegate() override;
@@ skipping 30 matching lines @@
 
 #if defined(OS_CHROMEOS)
   scoped_ptr<chromeos::DisplayConfigurationObserver>
       display_configuration_observer_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ChromeShellDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_CHROME_SHELL_DELEGATE_H_