Fix threading issues in BlacklistManager, using new ChromeThread.

chrome/browser/privacy_blacklist/blacklist_manager_browsertest.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/privacy_blacklist/blacklist_manager.h"
 
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/profile.h"
@@ skipping 15 matching lines @@
   delete match;
   return true;
 }
 
 }  // namespace
 
 class BlacklistManagerBrowserTest : public ExtensionBrowserTest {
  public:
   void InitializeBlacklistManager() {
     Profile* profile = browser()->profile();
-    blacklist_manager_ = new BlacklistManager(
-        profile, profile->GetExtensionsService(),
-        g_browser_process->io_thread());
+    blacklist_manager_ = new BlacklistManager(profile,
+                                              profile->GetExtensionsService());
     WaitForBlacklistUpdate();
   }
 
   virtual void CleanUpOnMainThread() {
     blacklist_manager_ = NULL;
     ExtensionBrowserTest::CleanUpOnMainThread();
   }
 
   // NotificationObserver
   virtual void Observe(NotificationType type,
@@ skipping 42 matching lines @@
       browser()->profile()->GetExtensionsService();
   ASSERT_EQ(1U, extensions_service->extensions()->size());
   UnloadExtension(extensions_service->extensions()->front()->id());
   if (BlacklistHasMatch(blacklist_manager_->GetCompiledBlacklist(),
                         kTestUrl)) {
     WaitForBlacklistUpdate();
   }
   EXPECT_FALSE(BlacklistHasMatch(blacklist_manager_->GetCompiledBlacklist(),
                                  kTestUrl));
 }