Move BrowserThread to content namespace.

chrome/browser/chrome_browser_main.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/chrome_browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 190 matching lines @@
 #if defined(USE_X11)
 #include "chrome/browser/chrome_browser_main_x11.h"
 #endif
 
 #if defined(USE_AURA)
 #include "chrome/browser/ui/views/aura/chrome_shell_delegate.h"
 #include "ui/aura/desktop.h"
 #include "ui/aura_shell/shell.h"
 #endif
 
+using content::BrowserThread;
+
 namespace net {
 class NetLog;
 }  // namespace net
 
 namespace {
 
 // This function provides some ways to test crash and assertion handling
 // behavior of the program.
 void HandleTestParameters(const CommandLine& command_line) {
   // This parameter causes an assertion.
@@ skipping 1906 matching lines @@
   if (env->GetVar(chrome::kPreReadEnvironmentVariable, &pre_read) &&
       (pre_read == "0" || pre_read == "1")) {
     std::string uma_name(name);
     uma_name += "_PreRead";
     uma_name += pre_read == "1" ? "Enabled" : "Disabled";
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 #endif
 }