aura: Use the existing notification system.

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

Index: chrome/browser/ui/views/notifications/balloon_view_host.cc
diff --git a/chrome/browser/ui/views/notifications/balloon_view_host.cc b/chrome/browser/ui/views/notifications/balloon_view_host.cc
index 952593c263bbbc1b02d2236479671bf1c6b4aad3..dd24447967b25afacbb18c58a2016c8ce583be49 100644
--- a/chrome/browser/ui/views/notifications/balloon_view_host.cc
+++ b/chrome/browser/ui/views/notifications/balloon_view_host.cc
@@ -7,18 +7,18 @@
 #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)
+#include "content/public/browser/content_browser_client.h"
+#include "views/widget/widget.h"
+
+#if defined(USE_AURA)
+#include "content/browser/renderer_host/render_widget_host_view_aura.h"
+#elif defined(OS_WIN)
 #include "content/browser/renderer_host/render_widget_host_view_win.h"
-#endif
-#if defined(TOOLKIT_USES_GTK)
-#if defined(TOUCH_UI) || defined(USE_AURA)
+#elif defined(TOUCH_UI)
 #include "chrome/browser/renderer_host/render_widget_host_view_views.h"
-#else
+#elif defined(TOOLKIT_USES_GTK)
 #include "content/browser/renderer_host/render_widget_host_view_gtk.h"
 #endif
-#endif
-#include "content/public/browser/content_browser_client.h"
-#include "views/widget/widget.h"
 
 class BalloonViewHostView : public views::NativeViewHost {
  public:
@@ -67,8 +67,11 @@ void BalloonViewHost::InitRenderWidgetHostView() {
 
   // TODO(johnnyg): http://crbug.com/23954.  Need a cross-platform solution.
 #if defined(USE_AURA)
-  // TODO(beng): (same as touch_ui probably).
-  NOTIMPLEMENTED();
+  RenderWidgetHostViewAura* view_aura =
+      static_cast<RenderWidgetHostViewAura*>(render_widget_host_view_);
+  view_aura->Init();
+  view_aura->Show();
+  native_host_->Attach(view_aura->GetNativeView());
 #elif defined(OS_WIN)
   RenderWidgetHostViewWin* view_win =
       static_cast<RenderWidgetHostViewWin*>(render_widget_host_view_);
@@ -77,18 +80,16 @@ void BalloonViewHost::InitRenderWidgetHostView() {
   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)
+#elif defined(TOUCH_UI)
   RenderWidgetHostViewViews* view_views =
       static_cast<RenderWidgetHostViewViews*>(render_widget_host_view_);
   view_views->InitAsChild();
   native_host_->AttachToView(view_views);
-#else
+#elif defined(TOOLKIT_USES_GTK)
   RenderWidgetHostViewGtk* view_gtk =
       static_cast<RenderWidgetHostViewGtk*>(render_widget_host_view_);
   view_gtk->InitAsChild();
   native_host_->Attach(view_gtk->native_view());
-#endif
 #else
   NOTIMPLEMENTED();
 #endif