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

chrome/browser/google_apis/fake_drive_service.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 "chrome/browser/google_apis/fake_drive_service.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 322 matching lines @@
       base::Bind(callback,
                  HTTP_SUCCESS,
                  base::Passed(&resource_list)));
 }
 
 void FakeDriveService::GetAllResourceList(
     const GetResourceListCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
-  GetResourceList(GURL(),  // no next feed
-                  0,  // start changestamp
-                  "",  // empty search query
-                  "",  // no directory resource id,
+  GetResourceList(GURL(),         // no next feed
+                  0,              // start changestamp
+                  std::string(),  // empty search query
+                  std::string(),  // no directory resource id,
                   callback);
 }
 
 void FakeDriveService::GetResourceListInDirectory(
     const std::string& directory_resource_id,
     const GetResourceListCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!directory_resource_id.empty());
   DCHECK(!callback.is_null());
 
-  GetResourceList(GURL(),  // no next feed
-                  0,  // start changestamp
-                  "",  // empty search query
+  GetResourceList(GURL(),         // no next feed
+                  0,              // start changestamp
+                  std::string(),  // empty search query
                   directory_resource_id,
                   callback);
 }
 
 void FakeDriveService::Search(const std::string& search_query,
                               const GetResourceListCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!search_query.empty());
   DCHECK(!callback.is_null());
 
-  GetResourceList(GURL(),  // no next feed
-                  0,  // start changestamp
+  GetResourceList(GURL(),         // no next feed
+                  0,              // start changestamp
                   search_query,
-                  "",  // no directory resource id,
+                  std::string(),  // no directory resource id,
                   callback);
 }
 
 void FakeDriveService::SearchInDirectory(
     const std::string& search_query,
     const std::string& directory_resource_id,
     const GetResourceListCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!search_query.empty());
   DCHECK(!directory_resource_id.empty());
   DCHECK(!callback.is_null());
 
   GetResourceList(GURL(),  // no next feed
                   0,  // start changestamp
                   search_query,
                   directory_resource_id,
                   callback);
 }
 
 void FakeDriveService::GetChangeList(int64 start_changestamp,
                                      const GetResourceListCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
-  GetResourceList(GURL(),  // no next feed
+  GetResourceList(GURL(),         // no next feed
                   start_changestamp,
-                  "",  // empty search query
-                  "",  // no directory resource id,
+                  std::string(),  // empty search query
+                  std::string(),  // no directory resource id,
                   callback);
 }
 
 void FakeDriveService::ContinueGetResourceList(
     const GURL& override_url,
     const GetResourceListCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
   // TODO(hidehiko): Implement this.
@@ skipping 828 matching lines @@
 
   base::DictionaryValue* raw_new_entry = new_entry.release();
   base::ListValue* entries = NULL;
   if (resource_list_dict->GetList("entry", &entries))
     entries->Append(raw_new_entry);
 
   return raw_new_entry;
 }
 
 }  // namespace google_apis