net: Append base:: in the StringPrintf calls.

net/http/http_net_log_params.h

 // Copyright (c) 2010 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.
 
 #ifndef NET_HTTP_HTTP_NET_LOG_PARAMS_H_
 #define NET_HTTP_HTTP_NET_LOG_PARAMS_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/ref_counted.h"
+#include "base/stringprintf.h"
 #include "base/values.h"
 #include "net/base/net_log.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 
 namespace net {
 
 class NetLogHttpRequestParameter : public NetLog::EventParameters {
  public:
   NetLogHttpRequestParameter(const std::string& line,
                              const HttpRequestHeaders& headers)
       : line_(line) {
     headers_.CopyFrom(headers);
   }
 
   Value* ToValue() const {
     DictionaryValue* dict = new DictionaryValue();
     dict->SetString("line", line_);
     ListValue* headers = new ListValue();
     HttpRequestHeaders::Iterator iterator(headers_);
     while (iterator.GetNext()) {
       headers->Append(
-          new StringValue(StringPrintf("%s: %s",
-                                       iterator.name().c_str(),
-                                       iterator.value().c_str())));
+          new StringValue(base::StringPrintf("%s: %s",
+                                            iterator.name().c_str(),
+                                            iterator.value().c_str())));
     }
     dict->Set("headers", headers);
     return dict;
   }
 
  private:
   ~NetLogHttpRequestParameter() {}
 
   const std::string line_;
   HttpRequestHeaders headers_;
 
   DISALLOW_COPY_AND_ASSIGN(NetLogHttpRequestParameter);
 };
 
 class NetLogHttpResponseParameter : public NetLog::EventParameters {
  public:
   explicit NetLogHttpResponseParameter(
       const scoped_refptr<HttpResponseHeaders>& headers)
       : headers_(headers) {}
 
   Value* ToValue() const {
     DictionaryValue* dict = new DictionaryValue();
     ListValue* headers = new ListValue();
     headers->Append(new StringValue(headers_->GetStatusLine()));
     void* iterator = NULL;
     std::string name;
     std::string value;
     while (headers_->EnumerateHeaderLines(&iterator, &name, &value)) {
       headers->Append(
-          new StringValue(StringPrintf("%s: %s", name.c_str(), value.c_str())));
+          new StringValue(base::StringPrintf("%s: %s", name.c_str(),
+                                             value.c_str())));
     }
     dict->Set("headers", headers);
     return dict;
   }
 
  private:
   ~NetLogHttpResponseParameter() {}
 
   const scoped_refptr<HttpResponseHeaders> headers_;
 
   DISALLOW_COPY_AND_ASSIGN(NetLogHttpResponseParameter);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_NET_LOG_PARAMS_H_