Update a bunch of files to the new location of browser_thread.h

chrome/browser/mach_broker_mac.cc

 // Copyright (c) 2009 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/mach_broker_mac.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/mach_ipc_mac.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/threading/platform_thread.h"
-#include "chrome/browser/browser_thread.h"
 #include "chrome/browser/extensions/extension_host.h"
-#include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/common/child_process_info.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/notification_service.h"
+#include "content/browser/browser_thread.h"
+#include "content/browser/renderer_host/render_process_host.h"
 
 namespace {
 // Prints a string representation of a Mach error code.
 std::string MachErrorCode(kern_return_t err) {
   return StringPrintf("0x%x %s", err, mach_error_string(err));
 }
 }  // namespace
 
 // Required because notifications happen on the UI thread.
 class RegisterNotificationTask : public Task {
@@ skipping 206 matching lines @@
 #endif
       ".rohitfork.%d";
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   const bool is_child = command_line.HasSwitch(switches::kProcessType);
 
   // In non-browser (child) processes, use the parent's pid.
   const pid_t pid = is_child ? getppid() : getpid();
   return StringPrintf(kFormatString, pid);
 }