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

components/autofill/browser/wallet/wallet_signin_helper_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 "components/autofill/browser/wallet/wallet_signin_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/stringprintf.h"
 #include "chrome/test/base/testing_profile.h"
@@ skipping 102 matching lines @@
 
   void MockSuccessfulOAuthLoginResponse() {
     SetUpFetcherResponseAndCompleteRequest(
         GaiaUrls::GetInstance()->client_login_url(), 200,
         net::ResponseCookies(),
         "SID=sid\nLSID=lsid\nAuth=auth");
   }
 
   void MockFailedOAuthLoginResponse404() {
     SetUpFetcherResponseAndCompleteRequest(
-        GaiaUrls::GetInstance()->client_login_url(), 404,
+        GaiaUrls::GetInstance()->client_login_url(),
+        404,
         net::ResponseCookies(),
-        "");
+        std::string());
   }
 
   void MockSuccessfulGaiaUserInfoResponse(const std::string& username) {
     SetUpFetcherResponseAndCompleteRequest(
         GaiaUrls::GetInstance()->get_user_info_url(), 200,
         net::ResponseCookies(),
         "email=" + username);
   }
 
   void MockFailedGaiaUserInfoResponse404() {
     SetUpFetcherResponseAndCompleteRequest(
-        GaiaUrls::GetInstance()->get_user_info_url(), 404,
+        GaiaUrls::GetInstance()->get_user_info_url(),
+        404,
         net::ResponseCookies(),
-        "");
+        std::string());
   }
 
   void MockSuccessfulGetAccountInfoResponse(const std::string& username) {
     SetUpFetcherResponseAndCompleteRequest(
         signin_helper_->GetGetAccountInfoUrlForTesting(), 200,
         net::ResponseCookies(),
         base::StringPrintf(
             kGetAccountInfoValidResponseFormat,
             username.c_str()));
   }
 
   void MockFailedGetAccountInfoResponse404() {
     SetUpFetcherResponseAndCompleteRequest(
-        signin_helper_->GetGetAccountInfoUrlForTesting(), 404,
+        signin_helper_->GetGetAccountInfoUrlForTesting(),
+        404,
         net::ResponseCookies(),
-        "");
+        std::string());
   }
 
   void MockSuccessfulPassiveAuthUrlMergeAndRedirectResponse() {
-    SetUpFetcherResponseAndCompleteRequest(
-        wallet::GetPassiveAuthUrl().spec(), 200,
-        net::ResponseCookies(),
-        "");
+    SetUpFetcherResponseAndCompleteRequest(wallet::GetPassiveAuthUrl().spec(),
+                                           200,
+                                           net::ResponseCookies(),
+                                           std::string());
   }
 
   void MockFailedPassiveAuthUrlMergeAndRedirectResponse404() {
-    SetUpFetcherResponseAndCompleteRequest(
-        wallet::GetPassiveAuthUrl().spec(), 404,
-        net::ResponseCookies(),
-        "");
+    SetUpFetcherResponseAndCompleteRequest(wallet::GetPassiveAuthUrl().spec(),
+                                           404,
+                                           net::ResponseCookies(),
+                                           std::string());
   }
 
   WalletSigninHelperForTesting::State state() const {
     return signin_helper_->state();
   }
 
   scoped_ptr<WalletSigninHelperForTesting> signin_helper_;
   MockWalletSigninHelperDelegate mock_delegate_;
 
  private:
@@ skipping 61 matching lines @@
   signin_helper_->StartAutomaticSignin("123SID", "123LSID");
   MockSuccessfulGaiaUserInfoResponse("user@gmail.com");
   MockSuccessfulOAuthLoginResponse();
   MockFailedPassiveAuthUrlMergeAndRedirectResponse404();
 }
 
 // TODO(aruslan): http://crbug.com/188317 Need more tests.
 
 }  // namespace wallet
 }  // namespace autofill