Move BrowserThread to content namespace.

chrome/browser/printing/print_system_task_proxy.cc

 // Copyright (c) 2011 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/printing/print_system_task_proxy.h"
 
 #include <ctype.h>
 
 #include <string>
 #include <vector>
@@ skipping 92 matching lines @@
     if (num_options > 0 && options) {
       cupsMarkOptions(*ppd, num_options, options);
       cupsFreeOptions(num_options, options);
     }
   }
 }
 
 }  // printing_internal namespace
 #endif
 
+using content::BrowserThread;
+
 namespace {
 
 const char kDisableColorOption[] = "disableColorOption";
 const char kSetColorAsDefault[] = "setColorAsDefault";
 const char kSetDuplexAsDefault[] = "setDuplexAsDefault";
 const char kPrinterColorModelForBlack[] = "printerColorModelForBlack";
 const char kPrinterColorModelForColor[] = "printerColorModelForColor";
 const char kPrinterDefaultDuplexValue[] = "printerDefaultDuplexValue";
 
 #if defined(OS_WIN)
@@ skipping 413 matching lines @@
       base::Bind(&PrintSystemTaskProxy::SendPrinterCapabilities, this,
                  settings_info.DeepCopy()));
 }
 
 void PrintSystemTaskProxy::SendPrinterCapabilities(
     DictionaryValue* settings_info) {
   if (handler_)
     handler_->SendPrinterCapabilities(*settings_info);
   delete settings_info;
 }