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

chrome/browser/automation/automation_misc_browsertest.cc

Index: chrome/browser/automation/automation_misc_browsertest.cc
diff --git a/chrome/browser/automation/automation_misc_browsertest.cc b/chrome/browser/automation/automation_misc_browsertest.cc
index 97efd958920292349fae1688499018ae2a24d9aa..11ce61475ea2c62aae756ec9aa3f574581221604 100644
--- a/chrome/browser/automation/automation_misc_browsertest.cc
+++ b/chrome/browser/automation/automation_misc_browsertest.cc
@@ -82,8 +82,8 @@ IN_PROC_BROWSER_TEST_F(AutomationMiscBrowserTest, ProcessMouseEvent) {
       "  window.didClick = true;"
       "}, true);"));
   AutomationMouseEvent automation_event;
-  automation_event.location_script_chain.push_back(
-      ScriptEvaluationRequest("{'x': 5, 'y': 10}", ""));
+  automation_event.location_script_chain
+      .push_back(ScriptEvaluationRequest("{'x': 5, 'y': 10}", std::string()));
   WebKit::WebMouseEvent& mouse_event = automation_event.mouse_event;
   mouse_event.type = WebKit::WebInputEvent::MouseDown;
   mouse_event.button = WebKit::WebMouseEvent::ButtonLeft;