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

remoting/host/service_client.cc

 // Copyright (c) 2012 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 "remoting/host/service_client.h"
 
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "googleurl/src/gurl.h"
@@ skipping 60 matching lines @@
     const std::string& oauth_access_token,
     Delegate* delegate) {
   DCHECK(pending_request_type_ == PENDING_REQUEST_NONE);
   pending_request_type_ = PENDING_REQUEST_REGISTER_HOST;
   base::DictionaryValue post_body;
   post_body.SetString("data.hostId", host_id);
   post_body.SetString("data.hostName", host_name);
   post_body.SetString("data.publicKey", public_key);
   std::string post_body_str;
   base::JSONWriter::Write(&post_body, &post_body_str);
-  MakeGaiaRequest(net::URLFetcher::POST, "", post_body_str, oauth_access_token,
+  MakeGaiaRequest(net::URLFetcher::POST,
+                  std::string(),
+                  post_body_str,
+                  oauth_access_token,
                   delegate);
 }
 
 void ServiceClient::Core::UnregisterHost(
     const std::string& host_id,
     const std::string& oauth_access_token,
     Delegate* delegate) {
   DCHECK(pending_request_type_ == PENDING_REQUEST_NONE);
   pending_request_type_ = PENDING_REQUEST_UNREGISTER_HOST;
-  MakeGaiaRequest(net::URLFetcher::DELETE_REQUEST, host_id, "",
-                  oauth_access_token, delegate);
+  MakeGaiaRequest(net::URLFetcher::DELETE_REQUEST,
+                  host_id,
+                  std::string(),
+                  oauth_access_token,
+                  delegate);
 }
 
 void ServiceClient::Core::MakeGaiaRequest(
     net::URLFetcher::RequestType request_type,
     const std::string& url_suffix,
     const std::string& request_body,
     const std::string& oauth_access_token,
     ServiceClient::Delegate* delegate) {
   delegate_ = delegate;
   request_.reset(net::URLFetcher::Create(
@@ skipping 54 matching lines @@
 }
 
 void ServiceClient::UnregisterHost(
     const std::string& host_id,
     const std::string& oauth_access_token,
     Delegate* delegate) {
   return core_->UnregisterHost(host_id, oauth_access_token, delegate);
 }
 
 }  // namespace gaia