Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/ui/gtk/first_run_bubble.cc

Index: chrome/browser/ui/gtk/first_run_bubble.cc
diff --git a/chrome/browser/ui/gtk/first_run_bubble.cc b/chrome/browser/ui/gtk/first_run_bubble.cc
index 72077587c736eb080a645809e610d804afeb4c13..70bf2453f09faa29404c995bb16bcdb97bb369db 100644
--- a/chrome/browser/ui/gtk/first_run_bubble.cc
+++ b/chrome/browser/ui/gtk/first_run_bubble.cc
@@ -44,10 +44,12 @@ FirstRunBubble::FirstRunBubble(Browser* browser,
     : browser_(browser),
       bubble_(NULL) {
   GtkThemeService* theme_service = GtkThemeService::GetFrom(browser->profile());
-  GtkWidget* title = theme_service->BuildLabel("", ui::kGdkBlack);
-  char* markup = g_markup_printf_escaped(kSearchLabelMarkup,
+  GtkWidget* title = theme_service->BuildLabel(std::string(), ui::kGdkBlack);
+  char* markup = g_markup_printf_escaped(
+      kSearchLabelMarkup,
       l10n_util::GetStringFUTF8(IDS_FR_BUBBLE_TITLE,
-          GetDefaultSearchEngineName(browser->profile())).c_str());
+                                GetDefaultSearchEngineName(browser->profile()))
+          .c_str());
   gtk_label_set_markup(GTK_LABEL(title), markup);
   g_free(markup);