exhibit 1: explicit null checks

chrome/browser/task_manager/task_manager_resource_providers.cc

Index: chrome/browser/task_manager/task_manager_resource_providers.cc
diff --git a/chrome/browser/task_manager/task_manager_resource_providers.cc b/chrome/browser/task_manager/task_manager_resource_providers.cc
index a791bc5a159bc7665461b6a703fe831887f80345..d6014581f41ff76cb596baf22484b622e18cae96 100644
--- a/chrome/browser/task_manager/task_manager_resource_providers.cc
+++ b/chrome/browser/task_manager/task_manager_resource_providers.cc
@@ -334,7 +334,8 @@ string16 TaskManagerTabContentsResource::GetProfileName() const {
 gfx::ImageSkia TaskManagerTabContentsResource::GetIcon() const {
   if (IsPrerendering())
     return *prerender_icon_;
-  return tab_contents_->favicon_tab_helper()->GetFavicon().AsImageSkia();
+  const gfx::Image& icon = tab_contents_->favicon_tab_helper()->GetFavicon();
+  return icon.IsEmpty() ? gfx::ImageSkia() : *icon.ToImageSkia();
 }
 
 WebContents* TaskManagerTabContentsResource::GetWebContents() const {