Switch ChromeTestSuite to the same convention as ContentTestSuite:

chrome/browser/prerender/prerender_manager_unittest.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 "base/memory/scoped_vector.h"
 #include "base/time.h"
 #include "chrome/browser/prerender/prerender_contents.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_origin.h"
 #include "chrome/test/base/testing_browser_process.h"
@@ skipping 181 matching lines @@
                            prerender_manager_(
                                new TestPrerenderManager(prerender_tracker())) {
   }
 
   TestPrerenderManager* prerender_manager() {
     return prerender_manager_.get();
   }
 
  private:
   PrerenderTracker* prerender_tracker() {
-    return browser_process_.get()->prerender_tracker();
+    return g_browser_process->prerender_tracker();
   }
 
   // Needed to pass PrerenderManager's DCHECKs.
-  ScopedTestingBrowserProcess browser_process_;
   MessageLoop message_loop_;
   BrowserThread ui_thread_;
   scoped_ptr<TestPrerenderManager> prerender_manager_;
 };
 
 TEST_F(PrerenderManagerTest, EmptyTest) {
   GURL url("http://www.google.com/");
   EXPECT_FALSE(prerender_manager()->MaybeUsePrerenderedPage(NULL, url, false));
 }
 
@@ skipping 299 matching lines @@
           url,
           FINAL_STATUS_CACHE_OR_HISTORY_CLEARED);
   EXPECT_TRUE(prerender_manager()->AddSimplePrerender(url));
   EXPECT_TRUE(prerender_contents->has_started());
   prerender_manager()->ClearData(PrerenderManager::CLEAR_PRERENDER_CONTENTS);
   DummyPrerenderContents* null = NULL;
   EXPECT_EQ(null, prerender_manager()->GetEntry(url));
 }
 
 }  // namespace prerender