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

webkit/glue/multipart_response_delegate.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 "webkit/glue/multipart_response_delegate.h"
 
 #include "base/logging.h"
-#include "base/string_util.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
 #include "net/base/net_util.h"
 #include "net/http/http_util.h"
 #include "third_party/WebKit/public/platform/WebHTTPHeaderVisitor.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/WebURLLoaderClient.h"
 
 using WebKit::WebHTTPHeaderVisitor;
 using WebKit::WebString;
 using WebKit::WebURLLoader;
@@ skipping 375 matching lines @@
   if (!base::StringToInt64(byte_range_upper_bound, content_range_upper_bound))
     return false;
   if (!base::StringToInt64(byte_range_instance_size,
                            content_range_instance_size)) {
     return false;
   }
   return true;
 }
 
 }  // namespace webkit_glue