ash/wm: Remove dead code.

ui/wm/core/nested_accelerator_dispatcher_win.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 "ui/wm/core/nested_accelerator_dispatcher.h"
-
-#include <stdint.h>
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_pump_dispatcher.h"
-#include "base/run_loop.h"
-#include "ui/base/accelerators/accelerator.h"
-#include "ui/events/event.h"
-#include "ui/wm/core/accelerator_filter.h"
-#include "ui/wm/core/nested_accelerator_delegate.h"
-
-using base::MessagePumpDispatcher;
-
-namespace wm {
-
-namespace {
-
-bool IsKeyEvent(const MSG& msg) {
-  return msg.message == WM_KEYDOWN || msg.message == WM_SYSKEYDOWN ||
-         msg.message == WM_KEYUP || msg.message == WM_SYSKEYUP;
-}
-
-}  // namespace
-
-class NestedAcceleratorDispatcherWin : public NestedAcceleratorDispatcher,
-                                       public MessagePumpDispatcher {
- public:
-  NestedAcceleratorDispatcherWin(NestedAcceleratorDelegate* delegate,
-                                 MessagePumpDispatcher* nested)
-      : NestedAcceleratorDispatcher(delegate), nested_dispatcher_(nested) {}
-  ~NestedAcceleratorDispatcherWin() override {}
-
- private:
-  // NestedAcceleratorDispatcher:
-  scoped_ptr<base::RunLoop> CreateRunLoop() override {
-    return make_scoped_ptr(new base::RunLoop(this));
-  }
-
-  // MessagePumpDispatcher:
-  uint32_t Dispatch(const MSG& event) override {
-    if (IsKeyEvent(event)) {
-      ui::Accelerator accelerator((ui::KeyEvent(event)));
-
-      switch (delegate_->ProcessAccelerator(accelerator)) {
-        case NestedAcceleratorDelegate::RESULT_PROCESS_LATER:
-          return POST_DISPATCH_QUIT_LOOP;
-        case NestedAcceleratorDelegate::RESULT_PROCESSED:
-          return POST_DISPATCH_NONE;
-        case NestedAcceleratorDelegate::RESULT_NOT_PROCESSED:
-          break;
-      }
-    }
-
-    return nested_dispatcher_ ? nested_dispatcher_->Dispatch(event)
-                              : POST_DISPATCH_PERFORM_DEFAULT;
-  }
-
-  MessagePumpDispatcher* nested_dispatcher_;
-
-  DISALLOW_COPY_AND_ASSIGN(NestedAcceleratorDispatcherWin);
-};
-
-scoped_ptr<NestedAcceleratorDispatcher> NestedAcceleratorDispatcher::Create(
-    NestedAcceleratorDelegate* delegate,
-    MessagePumpDispatcher* nested_dispatcher) {
-  return make_scoped_ptr(
-      new NestedAcceleratorDispatcherWin(delegate, nested_dispatcher));
-}
-
-}  // namespace wm