[Extensions UI] Clean up extension icon generation

chrome/browser/ui/toolbar/media_router_action.cc

Index: chrome/browser/ui/toolbar/media_router_action.cc
diff --git a/chrome/browser/ui/toolbar/media_router_action.cc b/chrome/browser/ui/toolbar/media_router_action.cc
index 3189f3ae7ffb60b9b5fcd3118561693369bced63..73a6a40c21f761c07c24471de763a805ec3f0a74 100644
--- a/chrome/browser/ui/toolbar/media_router_action.cc
+++ b/chrome/browser/ui/toolbar/media_router_action.cc
@@ -34,17 +34,12 @@ void MediaRouterAction::SetDelegate(ToolbarActionViewDelegate* delegate) {
   delegate_ = delegate;
 }
 
-gfx::Image MediaRouterAction::GetIcon(
-    content::WebContents* web_contents) {
+gfx::Image MediaRouterAction::GetIcon(content::WebContents* web_contents,
+                                      const gfx::Size& size) {
   // TODO(apacible): Return icon based on casting state.
   return media_router_idle_icon_;
 }
 
-gfx::ImageSkia MediaRouterAction::GetIconWithBadge() {
-  DCHECK(delegate_);
-  return *GetIcon(delegate_->GetCurrentWebContents()).ToImageSkia();
-}
-
 base::string16 MediaRouterAction::GetActionName() const {
   return name_;
 }