Preliminary work to allow Chrome to build with USE_AURA

chrome/browser/ui/views/notifications/balloon_view_host.cc

 // Copyright (c) 2011 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 "chrome/browser/ui/views/notifications/balloon_view_host.h"
 
 #include "chrome/browser/notifications/balloon.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #if defined(OS_WIN)
@@ skipping 46 matching lines @@
   BalloonHost::Init();
 }
 
 void BalloonViewHost::InitRenderWidgetHostView() {
   DCHECK(render_view_host_);
 
   render_widget_host_view_ =
       RenderWidgetHostView::CreateViewForWidget(render_view_host_);
 
   // TODO(johnnyg): http://crbug.com/23954.  Need a cross-platform solution.
-#if defined(OS_WIN)
+#if defined(USE_AURA)
+  // TODO(beng): (same as touch_ui probably).
+  NOTIMPLEMENTED();
+#elif defined(OS_WIN)
   RenderWidgetHostViewWin* view_win =
       static_cast<RenderWidgetHostViewWin*>(render_widget_host_view_);
 
   // Create the HWND.
   HWND hwnd = view_win->Create(parent_native_view_);
   view_win->ShowWindow(SW_SHOW);
   native_host_->Attach(hwnd);
 #elif defined(TOOLKIT_USES_GTK)
 #if defined(TOUCH_UI)
   RenderWidgetHostViewViews* view_views =
       static_cast<RenderWidgetHostViewViews*>(render_widget_host_view_);
   view_views->InitAsChild();
   native_host_->AttachToView(view_views);
 #else
   RenderWidgetHostViewGtk* view_gtk =
       static_cast<RenderWidgetHostViewGtk*>(render_widget_host_view_);
   view_gtk->InitAsChild();
   native_host_->Attach(view_gtk->native_view());
 #endif
 #else
   NOTIMPLEMENTED();
 #endif
 }
 
 RenderWidgetHostView* BalloonViewHost::render_widget_host_view() const {
   return render_widget_host_view_;
 }