Reland: Remove aura and make a pure mojo::View version of FocusController.

sky/tools/debugger/focus_rules.h

-// Copyright 2014 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 SKY_TOOLS_DEBUGGER_FOCUS_RULES_H_
-#define SKY_TOOLS_DEBUGGER_FOCUS_RULES_H_
-
-#include "mojo/services/window_manager/window_manager_app.h"
-#include "ui/aura/window.h"
-#include "ui/wm/core/focus_rules.h"
-
-namespace sky {
-namespace debugger {
-
-class FocusRules : public wm::FocusRules {
- public:
-  FocusRules(mojo::WindowManagerApp* window_manager_app, mojo::View* content);
-  virtual ~FocusRules();
-
- private:
-  // Overridden from wm::FocusRules:
-  bool IsToplevelWindow(aura::Window* window) const override;
-  bool CanActivateWindow(aura::Window* window) const override;
-  bool CanFocusWindow(aura::Window* window) const override;
-  aura::Window* GetToplevelWindow(aura::Window* window) const override;
-  aura::Window* GetActivatableWindow(aura::Window* window) const override;
-  aura::Window* GetFocusableWindow(aura::Window* window) const override;
-  aura::Window* GetNextActivatableWindow(aura::Window* ignore) const override;
-
-  mojo::View* content_;
-  mojo::WindowManagerApp* window_manager_app_;
-
-  DISALLOW_COPY_AND_ASSIGN(FocusRules);
-};
-
-}  // namespace debugger
-}  // namespace sky
-
-#endif  // SKY_TOOLS_DEBUGGER_FOCUS_RULES_H_