Switch ChromeTestSuite to the same convention as ContentTestSuite:

chrome/browser/extensions/extension_process_manager_unittest.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/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_error_reporter.h"
-#include "chrome/test/base/testing_browser_process_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/browser/site_instance.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 namespace {
 
 // make the test a PlatformTest to setup autorelease pools properly on mac
-class ExtensionProcessManagerTest : public TestingBrowserProcessTest {
+class ExtensionProcessManagerTest : public testing::Test {
  public:
   static void SetUpTestCase() {
     ExtensionErrorReporter::Init(false);  // no noisy errors
   }
 
   virtual void SetUp() {
     ExtensionErrorReporter::GetInstance()->ClearErrors();
   }
 };
 
@@ skipping 26 matching lines @@
   EXPECT_EQ(site11, site12);
 
   scoped_refptr<SiteInstance> site21 =
       manager1->GetSiteInstanceForURL(ext2_url1);
   EXPECT_NE(site11, site21);
 
   scoped_refptr<SiteInstance> other_profile_site =
       manager2->GetSiteInstanceForURL(ext1_url1);
   EXPECT_NE(site11, other_profile_site);
 }