Fix single-process ui test failures from my previous change. The problem was...

chrome/browser/task_manager_resource_providers.cc

 // Copyright (c) 2006-2008 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/task_manager_resource_providers.h"
 
 #include "base/file_version_info.h"
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
@@ skipping 246 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 SkBitmap* TaskManagerChildProcessResource::default_icon_ = NULL;
 
 TaskManagerChildProcessResource::TaskManagerChildProcessResource(
     ChildProcessInfo child_proc)
     : child_process_(child_proc),
       title_(),
       network_usage_support_(false) {
   // We cache the process id because it's not cheap to calculate, and it won't
   // be available when we get the plugin disconnected notification.
-  pid_ = child_proc.pid();
+  pid_ = child_proc.GetProcessId();
   if (!default_icon_) {
     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
     default_icon_ = rb.GetBitmapNamed(IDR_PLUGIN);
     // TODO(jabdelmalek): use different icon for web workers.
   }
 }
 
 TaskManagerChildProcessResource::~TaskManagerChildProcessResource() {
 }
 
@@ skipping 241 matching lines @@
 
   return &resource_;
 }
 
 void TaskManagerBrowserProcessResourceProvider::StartUpdating() {
   task_manager_->AddResource(&resource_);
 }
 
 void TaskManagerBrowserProcessResourceProvider::StopUpdating() {
 }