exhibit 1: explicit null checks

chrome/browser/ui/ash/launcher/browser_launcher_item_controller.cc

Index: chrome/browser/ui/ash/launcher/browser_launcher_item_controller.cc
diff --git a/chrome/browser/ui/ash/launcher/browser_launcher_item_controller.cc b/chrome/browser/ui/ash/launcher/browser_launcher_item_controller.cc
index b473e2b2d344d4698995c0e9f616103d335a7299..0bcf5a4b6fa6e883b7285712e4bd6ea9100e433d 100644
--- a/chrome/browser/ui/ash/launcher/browser_launcher_item_controller.cc
+++ b/chrome/browser/ui/ash/launcher/browser_launcher_item_controller.cc
@@ -227,10 +227,9 @@ void BrowserLauncherItemController::UpdateLauncher(TabContents* tab) {
     DCHECK_EQ(TYPE_TABBED, type_);
     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
     if (tab->favicon_tab_helper()->ShouldDisplayFavicon()) {
-      item.image = tab->favicon_tab_helper()->GetFavicon().AsBitmap();
-      if (item.image.empty()) {
-        item.image = *rb.GetBitmapNamed(IDR_DEFAULT_FAVICON);
-      }
+      const gfx::Image& icon = tab->favicon_tab_helper()->GetFavicon();
+      item.image = icon.IsEmpty() ? *rb.GetBitmapNamed(IDR_DEFAULT_FAVICON) :
+                                    *icon.ToSkBitmap();
     } else {
       item.image = *rb.GetBitmapNamed(IDR_DEFAULT_FAVICON);
     }