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

sky/tools/debugger/focus_rules.cc

-// 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.
-
-#include "sky/tools/debugger/focus_rules.h"
-
-namespace sky {
-namespace debugger {
-
-FocusRules::FocusRules(mojo::WindowManagerApp* window_manager_app,
-                       mojo::View* content)
-    : content_(content),
-      window_manager_app_(window_manager_app) {
-}
-
-FocusRules::~FocusRules() {
-}
-
-bool FocusRules::IsToplevelWindow(aura::Window* window) const {
-  return mojo::WindowManagerApp::GetViewForWindow(window)->parent() == content_;
-}
-
-bool FocusRules::CanActivateWindow(aura::Window* window) const {
-  return mojo::WindowManagerApp::GetViewForWindow(window)->parent() == content_;
-}
-
-bool FocusRules::CanFocusWindow(aura::Window* window) const {
-  return true;
-}
-
-aura::Window* FocusRules::GetToplevelWindow(aura::Window* window) const {
-  mojo::View* view = mojo::WindowManagerApp::GetViewForWindow(window);
-  while (view->parent() != content_) {
-    view = view->parent();
-    if (!view)
-      return NULL;
-  }
-  return window_manager_app_->GetWindowForViewId(view->id());
-}
-
-aura::Window* FocusRules::GetActivatableWindow(aura::Window* window) const {
-  return GetToplevelWindow(window);
-}
-
-aura::Window* FocusRules::GetFocusableWindow(aura::Window* window) const {
-  return window;
-}
-
-aura::Window* FocusRules::GetNextActivatableWindow(aura::Window* ignore) const {
-  aura::Window* activatable = GetActivatableWindow(ignore);
-  const aura::Window::Windows& children = activatable->parent()->children();
-  for (aura::Window::Windows::const_reverse_iterator it = children.rbegin();
-       it != children.rend(); ++it) {
-    if (*it != ignore)
-      return *it;
-  }
-  return NULL;
-}
-
-}  // namespace debugger
-}  // namespace sky