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

chrome/browser/ui/webui/signin/profile_signin_confirmation_dialog_unittest.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/ui/webui/signin/profile_signin_confirmation_dialog.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
@@ skipping 124 matching lines @@
     profile_->CreateHistoryService(true, false);
     extensions::TestExtensionSystem* system =
         static_cast<extensions::TestExtensionSystem*>(
             extensions::ExtensionSystem::Get(profile_.get()));
     CommandLine command_line(CommandLine::NO_PROGRAM);
     system->CreateExtensionService(&command_line,
                                    base::FilePath(kExtensionFilePath),
                                    false);
 
     // Create a dialog, but don't display it.
-    dialog_ = new ProfileSigninConfirmationDialog(
-        profile_.get(), "",
-        base::Bind(&base::DoNothing),
-        base::Bind(&base::DoNothing),
-        base::Bind(&base::DoNothing));
+    dialog_ = new ProfileSigninConfirmationDialog(profile_.get(),
+                                                  std::string(),
+                                                  base::Bind(&base::DoNothing),
+                                                  base::Bind(&base::DoNothing),
+                                                  base::Bind(&base::DoNothing));
   }
 
   virtual void TearDown() OVERRIDE {
     delete dialog_;
   }
 
  protected:
   MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
   scoped_ptr<TestingProfile> profile_;
@@ skipping 37 matching lines @@
   extensions->extension_prefs()->AddGrantedPermissions(
       webstore->id(),
       make_scoped_refptr(new extensions::PermissionSet));
   extensions->AddExtension(webstore);
   EXPECT_FALSE(
       GetCallbackResult(
           base::Bind(
               &ProfileSigninConfirmationDialog::CheckShouldPromptForNewProfile,
               base::Unretained(dialog_))));
 
-  scoped_refptr<extensions::Extension> extension = CreateExtension("foo", "");
+  scoped_refptr<extensions::Extension> extension =
+      CreateExtension("foo", std::string());
   extensions->extension_prefs()->AddGrantedPermissions(
-      extension->id(),
-      make_scoped_refptr(new extensions::PermissionSet));
+      extension->id(), make_scoped_refptr(new extensions::PermissionSet));
   extensions->AddExtension(extension);
   EXPECT_TRUE(
       GetCallbackResult(
           base::Bind(
               &ProfileSigninConfirmationDialog::CheckShouldPromptForNewProfile,
               base::Unretained(dialog_))));
 }
 
 TEST_F(ProfileSigninConfirmationDialogTest, PromptForNewProfile_History) {
   HistoryService* history = HistoryServiceFactory::GetForProfile(
@@ skipping 38 matching lines @@
 
 TEST_F(ProfileSigninConfirmationDialogTest, PromptForNewProfile_Restarted) {
   // Browser has been shut down since profile was created.
   user_prefs_->set_read_error(PersistentPrefStore::PREF_READ_ERROR_NONE);
   EXPECT_TRUE(
       GetCallbackResult(
           base::Bind(
               &ProfileSigninConfirmationDialog::CheckShouldPromptForNewProfile,
               base::Unretained(dialog_))));
 }