Remove unused fields found by clang's new Wunused-private-fields.

chrome/browser/mock_browsing_data_local_storage_helper.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/mock_browsing_data_local_storage_helper.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
 
 MockBrowsingDataLocalStorageHelper::MockBrowsingDataLocalStorageHelper(
-  Profile* profile)
-  : BrowsingDataLocalStorageHelper(profile),
-    profile_(profile) {
+    Profile* profile)
+    : BrowsingDataLocalStorageHelper(profile) {
 }
 
 MockBrowsingDataLocalStorageHelper::~MockBrowsingDataLocalStorageHelper() {
 }
 
 void MockBrowsingDataLocalStorageHelper::StartFetching(
     const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback) {
   callback_ = callback;
 }
 
@@ skipping 28 matching lines @@
     i->second = true;
 }
 
 bool MockBrowsingDataLocalStorageHelper::AllDeleted() {
   for (std::map<const GURL, bool>::const_iterator i =
        origins_.begin(); i != origins_.end(); ++i)
     if (i->second)
       return false;
   return true;
 }