Refactor and move ash independent nested accelerator code to ui/wm/core

ui/wm/core/nested_accelerator_controller.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// 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.
 
-#include "ash/accelerators/nested_dispatcher_controller.h"
+#include "ui/wm/core/nested_accelerator_controller.h"
 
-#include "ash/accelerators/accelerator_dispatcher.h"
-#include "ash/shell.h"
 #include "base/auto_reset.h"
 #include "base/run_loop.h"
+#include "ui/wm/core/nested_accelerator_delegate.h"
+#include "ui/wm/core/nested_accelerator_dispatcher.h"
 
-namespace ash {
+namespace wm {
 
-NestedDispatcherController::NestedDispatcherController() {
+NestedAcceleratorController::NestedAcceleratorController(
+    NestedAcceleratorDelegate* delegate)
+    : dispatcher_delegate_(delegate) {
+  DCHECK(delegate);
 }
 
-NestedDispatcherController::~NestedDispatcherController() {
+NestedAcceleratorController::~NestedAcceleratorController() {
 }
 
-void NestedDispatcherController::RunWithDispatcher(
+void NestedAcceleratorController::RunWithDispatcher(
     base::MessagePumpDispatcher* nested_dispatcher) {
   base::MessageLoopForUI* loop = base::MessageLoopForUI::current();
   base::MessageLoopForUI::ScopedNestableTaskAllower allow_nested(loop);
 
-  scoped_ptr<AcceleratorDispatcher> old_accelerator_dispatcher =
+  scoped_ptr<NestedAcceleratorDispatcher> old_accelerator_dispatcher =
       accelerator_dispatcher_.Pass();
-  accelerator_dispatcher_ = AcceleratorDispatcher::Create(nested_dispatcher);
+  accelerator_dispatcher_ = NestedAcceleratorDispatcher::Create(
+      dispatcher_delegate_.get(), nested_dispatcher);
 
   // TODO(jbates) crbug.com/134753 Find quitters of this RunLoop and have them
   //              use run_loop.QuitClosure().
   scoped_ptr<base::RunLoop> run_loop = accelerator_dispatcher_->CreateRunLoop();
   base::AutoReset<base::Closure> reset_closure(&quit_closure_,
                                                run_loop->QuitClosure());
   run_loop->Run();
   accelerator_dispatcher_ = old_accelerator_dispatcher.Pass();
 }
 
-void NestedDispatcherController::QuitNestedMessageLoop() {
+void NestedAcceleratorController::QuitNestedMessageLoop() {
   CHECK(!quit_closure_.is_null());
   quit_closure_.Run();
   accelerator_dispatcher_.reset();
 }
 
-}  // namespace ash
+}  // namespace wm