ash/wm: Remove dead code.

ui/views/widget/desktop_aura/desktop_native_widget_aura.cc

 // 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 "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
@@ skipping 14 matching lines @@
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size_conversions.h"
 #include "ui/gfx/screen.h"
 #include "ui/native_theme/native_theme.h"
 #include "ui/views/corewm/tooltip.h"
 #include "ui/views/corewm/tooltip_controller.h"
 #include "ui/views/drag_utils.h"
 #include "ui/views/view_constants_aura.h"
 #include "ui/views/widget/desktop_aura/desktop_capture_client.h"
 #include "ui/views/widget/desktop_aura/desktop_cursor_loader_updater.h"
-#include "ui/views/widget/desktop_aura/desktop_dispatcher_client.h"
 #include "ui/views/widget/desktop_aura/desktop_event_client.h"
 #include "ui/views/widget/desktop_aura/desktop_focus_rules.h"
 #include "ui/views/widget/desktop_aura/desktop_native_cursor_manager.h"
 #include "ui/views/widget/desktop_aura/desktop_screen_position_client.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
 #include "ui/views/widget/drop_helper.h"
 #include "ui/views/widget/native_widget_aura.h"
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/tooltip_manager_aura.h"
 #include "ui/views/widget/widget.h"
@@ skipping 288 matching lines @@
   desktop_window_tree_host_ = NULL;
   content_window_ = NULL;
 
   native_widget_delegate_->OnNativeWidgetDestroyed();
   if (ownership_ == Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET)
     delete this;
 }
 
 void DesktopNativeWidgetAura::OnDesktopWindowTreeHostDestroyed(
     aura::WindowTreeHost* host) {
-  // |dispatcher_| is still valid, but DesktopWindowTreeHost is nearly
-  // destroyed. Do cleanup here of members DesktopWindowTreeHost may also use.
-  aura::client::SetDispatcherClient(host->window(), NULL);
-  dispatcher_client_.reset();
-
   // We explicitly do NOT clear the cursor client property. Since the cursor
   // manager is a singleton, it can outlive any window hierarchy, and it's
   // important that objects attached to this destroying window hierarchy have
   // an opportunity to deregister their observers from the cursor manager.
   // They may want to do this when they are notified that they're being
   // removed from the window hierarchy, which happens soon after this
   // function when DesktopWindowTreeHost* calls DestroyDispatcher().
   native_cursor_manager_->RemoveHost(host);
 
   aura::client::SetScreenPositionClient(host->window(), NULL);
@@ skipping 117 matching lines @@
 
   capture_client_.reset(new DesktopCaptureClient(host_->window()));
 
   wm::FocusController* focus_controller =
       new wm::FocusController(new DesktopFocusRules(content_window_));
   focus_client_.reset(focus_controller);
   aura::client::SetFocusClient(host_->window(), focus_controller);
   aura::client::SetActivationClient(host_->window(), focus_controller);
   host_->window()->AddPreTargetHandler(focus_controller);
 
-  dispatcher_client_.reset(new DesktopDispatcherClient);
-  aura::client::SetDispatcherClient(host_->window(),
-                                    dispatcher_client_.get());
-
   position_client_.reset(new DesktopScreenPositionClient(host_->window()));
 
   drag_drop_client_ = desktop_window_tree_host_->CreateDragDropClient(
       native_cursor_manager_);
   aura::client::SetDragDropClient(host_->window(),
                                   drag_drop_client_.get());
 
   static_cast<aura::client::FocusClient*>(focus_client_.get())->
       FocusWindow(content_window_);
 
@@ skipping 707 matching lines @@
   if (cursor_reference_count_ == 0) {
     // We are the last DesktopNativeWidgetAura instance, and we are responsible
     // for cleaning up |cursor_manager_|.
     delete cursor_manager_;
     native_cursor_manager_ = NULL;
     cursor_manager_ = NULL;
   }
 }
 
 }  // namespace views