linux_aura: Start implementing DesktopRootWindowHostLinux

ui/views/widget/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_native_widget_aura.h"
 
 #include "ui/aura/root_window.h"
 #include "ui/aura/root_window_host.h"
 #include "ui/aura/window.h"
 #include "ui/base/hit_test.h"
@@ skipping 334 matching lines @@
 
 void DesktopNativeWidgetAura::OnBlur() {
 }
 
 gfx::NativeCursor DesktopNativeWidgetAura::GetCursor(const gfx::Point& point) {
   return gfx::kNullCursor;
 }
 
 int DesktopNativeWidgetAura::GetNonClientComponent(
     const gfx::Point& point) const {
-  // TODO(beng): seems like this shouldn't be necessary here, right?
-  return HTCLIENT;
+  return native_widget_delegate_->GetNonClientComponent(point);
 }
 
 bool DesktopNativeWidgetAura::ShouldDescendIntoChildForEventHandling(
       aura::Window* child,
       const gfx::Point& location) {
   return true;
 }
 
 bool DesktopNativeWidgetAura::CanFocus() {
   return true;
@@ skipping 65 matching lines @@
 ui::TouchStatus DesktopNativeWidgetAura::OnTouchEvent(ui::TouchEvent* event) {
   return ui::TOUCH_STATUS_UNKNOWN;
 }
 
 ui::EventResult DesktopNativeWidgetAura::OnGestureEvent(
     ui::GestureEvent* event) {
   return ui::ER_UNHANDLED;
 }
 
 }  // namespace views