Use Widget frame and WidgetDelegate in ActvityWidget

athena/test/sample_activity.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 "athena/test/sample_activity.h"
 
 #include "ui/views/background.h"
 #include "ui/views/view.h"
 
 namespace athena {
@@ skipping 11 matching lines @@
 SampleActivity::~SampleActivity() {
 }
 
 athena::ActivityViewModel* SampleActivity::GetActivityViewModel() {
   return this;
 }
 
 void SampleActivity::Init() {
 }
 
-SkColor SampleActivity::GetRepresentativeColor() {
+SkColor SampleActivity::GetRepresentativeColor() const {
   return color_;
 }
 
-base::string16 SampleActivity::GetTitle() {
+base::string16 SampleActivity::GetTitle() const {
   return title_;
 }
 
+bool SampleActivity::UsesFrame() const {
+  return true;
+}
+
 views::View* SampleActivity::GetContentsView() {
   if (!contents_view_) {
     contents_view_ = new views::View;
     contents_view_->set_background(
         views::Background::CreateSolidBackground(contents_color_));
   }
   return contents_view_;
 }
 
 }  // namespace test
 }  // namespace athena