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

athena/content/web_activity.cc

Index: athena/content/web_activity.cc
diff --git a/athena/content/web_activity.cc b/athena/content/web_activity.cc
index 580fb7dc9a116556370cb4e756f1d41abaadd22e..55ba868aa607089670008f05f06607b4ba8eb6b5 100644
--- a/athena/content/web_activity.cc
+++ b/athena/content/web_activity.cc
@@ -494,10 +494,10 @@ views::Widget* WebActivity::CreateWidget() {
   return NULL;  // Use default widget.
 }
 
-gfx::ImageSkia WebActivity::GetOverviewModeImage() {
+scoped_ptr<gfx::Image> WebActivity::GetOverviewModeImage() {
   if (content_proxy_.get())
     content_proxy_->GetContentImage();
-  return gfx::ImageSkia();
+  return scoped_ptr<gfx::Image>(new gfx::Image());
 }
 
 void WebActivity::PrepareContentsForOverview() {