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

chrome/browser/automation/testing_automation_provider.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/automation/testing_automation_provider.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 973 matching lines @@
 }
 
 void TestingAutomationProvider::GetTabTitle(int handle,
                                             int* title_string_size,
                                             std::wstring* title) {
   *title_string_size = -1;  // -1 is the error code
   if (tab_tracker_->ContainsHandle(handle)) {
     NavigationController* tab = tab_tracker_->GetResource(handle);
     NavigationEntry* entry = tab->GetActiveEntry();
     if (entry != NULL) {
-      *title = UTF16ToWideHack(entry->GetTitleForDisplay(""));
+      *title = UTF16ToWideHack(entry->GetTitleForDisplay(std::string()));
     } else {
       *title = std::wstring();
     }
     *title_string_size = static_cast<int>(title->size());
   }
 }
 
 void TestingAutomationProvider::GetTabIndex(int handle, int* tabstrip_index) {
   *tabstrip_index = -1;  // -1 is the error code
 
@@ skipping 2402 matching lines @@
       browser->profile(), Profile::EXPLICIT_ACCESS);
   if (password_store == NULL) {
     AutomationJSONReply(this, reply_message).SendError(
         "Unable to get password store.");
     return;
   }
 
   // This observer will delete itself.
   PasswordStoreLoginsChangedObserver* observer =
       new PasswordStoreLoginsChangedObserver(
-          this, reply_message, PasswordStoreChange::REMOVE, "");
+          this, reply_message, PasswordStoreChange::REMOVE, std::string());
   observer->Init();
 
   password_store->RemoveLogin(to_remove);
 }
 
 // Sample json input: { "command": "GetSavedPasswords" }
 // Refer to GetSavedPasswords() in chrome/test/pyautolib/pyauto.py for sample
 // json output.
 void TestingAutomationProvider::GetSavedPasswords(
     Browser* browser,
@@ skipping 1918 matching lines @@
   Browser* browser;
   WebContents* tab;
   std::string error;
   if (GetBrowserAndTabFromJSONArgs(args, &browser, &tab, &error)) {
     NavigationEntry* entry = tab->GetController().GetActiveEntry();
     if (!entry) {
       reply.SendError("Unable to get active navigation entry");
       return;
     }
     DictionaryValue dict;
-    dict.SetString("title", entry->GetTitleForDisplay(""));
+    dict.SetString("title", entry->GetTitleForDisplay(std::string()));
     dict.SetString("url", entry->GetVirtualURL().spec());
     reply.SendSuccess(&dict);
   } else {
     reply.SendError(error);
   }
 }
 
 void TestingAutomationProvider::GetTabCountJSON(
     DictionaryValue* args,
     IPC::Message* reply_message) {
@@ skipping 549 matching lines @@
   if (g_browser_process)
     g_browser_process->GetAutomationProviderList()->RemoveProvider(this);
 }
 
 void TestingAutomationProvider::EnsureTabSelected(Browser* browser,
                                                   WebContents* tab) {
   TabStripModel* tab_strip = browser->tab_strip_model();
   if (tab_strip->GetActiveWebContents() != tab)
     tab_strip->ActivateTabAt(tab_strip->GetIndexOfWebContents(tab), true);
 }