Creating PNG images from web content to be used by OverviewMode navigation

athena/content/app_activity_proxy.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/content/app_activity_proxy.h"
 
 #include "athena/content/app_activity.h"
 #include "athena/content/app_activity_registry.h"
 #include "athena/wm/public/window_list_provider.h"
 #include "athena/wm/public/window_manager.h"
@@ skipping 42 matching lines @@
   return ACTIVITY_MEDIA_STATE_NONE;
 }
 
 aura::Window* AppActivityProxy::GetWindow() {
   return view_->GetWidget()->GetNativeWindow();
 }
 
 void AppActivityProxy::Init() {
   DCHECK(replaced_activity_);
   // Get the content proxy to present the content.
-  content_proxy_ = replaced_activity_->GetContentProxy(GetWindow());
+  content_proxy_ = replaced_activity_->GetContentProxy();
   WindowListProvider* window_list_provider =
       WindowManager::GetInstance()->GetWindowListProvider();
   window_list_provider->StackWindowBehindTo(GetWindow(),
                                             replaced_activity_->GetWindow());
   // Creating this object was moving the activation to this window which should
   // not be the active window. As such we re-activate the top activity window.
   // TODO(skuhne): This should possibly move to the WindowListProvider.
   wm::ActivateWindow(window_list_provider->GetWindowList().back());
   // After the Init() function returns, the passed |replaced_activity_| might
   // get destroyed. Since we do not need it anymore we reset it.
@@ skipping 17 matching lines @@
 }
 
 views::View* AppActivityProxy::GetContentsView() {
   return view_;
 }
 
 views::Widget* AppActivityProxy::CreateWidget() {
   return NULL;
 }
 
-gfx::ImageSkia AppActivityProxy::GetOverviewModeImage() {
+scoped_ptr<gfx::Image> AppActivityProxy::GetOverviewModeImage() {
   return content_proxy_->GetContentImage();
 }
 
 void AppActivityProxy::PrepareContentsForOverview() {
 }
 
 void AppActivityProxy::ResetContentsView() {
 }
 
 }  // namespace athena