Sync Promo: Update sign into sync Wrench menu item

chrome/browser/ui/toolbar/wrench_menu_model.cc

Index: chrome/browser/ui/toolbar/wrench_menu_model.cc
diff --git a/chrome/browser/ui/toolbar/wrench_menu_model.cc b/chrome/browser/ui/toolbar/wrench_menu_model.cc
index 59e9787f8d8ea7c6fda279d03ad1e6ca21d470b0..98902d8b6ab1cf9b697c0efd1056f3491f60ca85 100644
--- a/chrome/browser/ui/toolbar/wrench_menu_model.cc
+++ b/chrome/browser/ui/toolbar/wrench_menu_model.cc
@@ -245,7 +245,8 @@ bool WrenchMenuModel::IsItemForCommandIdDynamic(int command_id) const {
 #endif
          command_id == IDC_SYNC_BOOKMARKS ||
          command_id == IDC_VIEW_BACKGROUND_PAGES ||
-         command_id == IDC_UPGRADE_DIALOG;
+         command_id == IDC_UPGRADE_DIALOG ||
+         command_id == IDC_SHOW_SYNC_SETUP;
 }
 
 string16 WrenchMenuModel::GetLabelForCommandId(int command_id) const {
@@ -279,6 +280,19 @@ string16 WrenchMenuModel::GetLabelForCommandId(int command_id) const {
 
       return l10n_util::GetStringFUTF16(IDS_UPDATE_NOW, product_name);
     }
+    case IDC_SHOW_SYNC_SETUP: {
+      std::string username = browser_->GetProfile()->GetPrefs()->GetString(
+          prefs::kGoogleServicesUsername);
+      string16 short_product_name =
+          l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME);
+      if (username.empty()) {
+        return l10n_util::GetStringFUTF16(IDS_SHOW_SYNC_SETUP,
+                                          short_product_name);
+      }
+      return l10n_util::GetStringFUTF16(IDS_SHOW_SYNC_SETUP_USERNAME,
+                                        short_product_name,
+                                        UTF8ToUTF16(username));
+    }
     default:
       NOTREACHED();
       return string16();