Use a direct include of strings headers in content/browser/, part 1.

content/browser/indexed_db/indexed_db_context_impl.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 "content/browser/indexed_db/indexed_db_context_impl.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/indexed_db/indexed_db_quota_client.h"
 #include "content/browser/indexed_db/webidbdatabase_impl.h"
 #include "content/browser/indexed_db/webidbfactory_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/indexed_db_info.h"
 #include "content/public/common/content_switches.h"
 #include "third_party/WebKit/public/platform/WebCString.h"
 #include "third_party/WebKit/public/platform/WebIDBDatabase.h"
 #include "third_party/WebKit/public/platform/WebString.h"
@@ skipping 380 matching lines @@
   return origin_set_.get();
 }
 
 void IndexedDBContextImpl::ResetCaches() {
   origin_set_.reset();
   origin_size_map_.clear();
   space_available_map_.clear();
 }
 
 }  // namespace content