Update upgrade app menu icons for MD/vectorization.

chrome/browser/ui/toolbar/app_menu_model.cc

Index: chrome/browser/ui/toolbar/app_menu_model.cc
diff --git a/chrome/browser/ui/toolbar/app_menu_model.cc b/chrome/browser/ui/toolbar/app_menu_model.cc
index 395265df592623bba224af692e4cae4de1089bb3..194be531687f40251357ba459a43249776169e3d 100644
--- a/chrome/browser/ui/toolbar/app_menu_model.cc
+++ b/chrome/browser/ui/toolbar/app_menu_model.cc
@@ -361,12 +361,10 @@ base::string16 AppMenuModel::GetLabelForCommandId(int command_id) const {
 }
 
 bool AppMenuModel::GetIconForCommandId(int command_id, gfx::Image* icon) const {
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   switch (command_id) {

[sky, 2016/02/08 17:13:17]

nit: this is a lot of code just to say:
if (command_id == IDC_UPGRADE_DIALOG &&
UpgradeDetector::GetInstance()->notify_upgrade()) {
  ...
}
return false;

[Evan Stade, 2016/02/08 19:31:12]

ha, indeed

     case IDC_UPGRADE_DIALOG: {
       if (UpgradeDetector::GetInstance()->notify_upgrade()) {
-        *icon = rb.GetNativeImageNamed(
-            UpgradeDetector::GetInstance()->GetIconResourceID());
+        *icon = UpgradeDetector::GetInstance()->GetIcon();
         return true;
       }
       return false;