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

content/browser/devtools/devtools_protocol.cc

 // Copyright (c) 2013 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/devtools/devtools_protocol.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 
 namespace content {
 
 namespace {
 
 const char kIdParam[] = "id";
 const char kMethodParam[] = "method";
 const char kParamsParam[] = "params";
 const char kResultParam[] = "result";
 const char kErrorParam[] = "error";
@@ skipping 237 matching lines @@
     Response response(0, kErrorParseError, error_message);
     if (error_response)
       *error_response = response.Serialize();
     return NULL;
   }
 
   return static_cast<DictionaryValue*>(message.release());
 }
 
 }  // namespace content