Fix Notifications Icon loading.

chrome/browser/ui/metro_pin_tab_helper_win.cc

Index: chrome/browser/ui/metro_pin_tab_helper_win.cc
diff --git a/chrome/browser/ui/metro_pin_tab_helper_win.cc b/chrome/browser/ui/metro_pin_tab_helper_win.cc
index f5078f37d8e66d40849e258adf313e844a137438..e535845ed80712fb3e93ccdc63223977f079942f 100644
--- a/chrome/browser/ui/metro_pin_tab_helper_win.cc
+++ b/chrome/browser/ui/metro_pin_tab_helper_win.cc
@@ -23,6 +23,7 @@
 #include "chrome/common/chrome_paths.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/content_constants.h"
 #include "crypto/sha2.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColor.h"
@@ -400,7 +401,8 @@ void MetroPinTabHelper::TogglePinnedToStartScreen() {
        iter != favicon_url_candidates_.end();
        ++iter) {
     favicon_chooser_->AddPendingRequest(
-        web_contents()->DownloadFavicon(iter->icon_url, image_size,
+        web_contents()->DownloadFavicon(iter->icon_url,
+            content::DOWNLOAD_FAVICON, image_size,
             base::Bind(&MetroPinTabHelper::DidDownloadFavicon,
                        base::Unretained(this))));
   }