Get rid of extensions dependency from content\browser.

content/browser/renderer_host/test_render_view_host.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 "chrome/browser/browser_url_handler.h"
 #include "chrome/test/testing_profile.h"
 #include "content/browser/renderer_host/test_backing_store.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance.h"
 #include "content/browser/tab_contents/navigation_controller.h"
@@ skipping 320 matching lines @@
 }
 
 void RenderViewHostTestHarness::Reload() {
   NavigationEntry* entry = controller().GetLastCommittedEntry();
   DCHECK(entry);
   controller().Reload(false);
   rvh()->SendNavigate(entry->page_id(), entry->url());
 }
 
 void RenderViewHostTestHarness::SetUp() {
-  // Initialize Chrome's ContentBrowserClient here, since we won't go through
-  // BrowserMain.
-  content::GetContentClient()->set_browser(&browser_client_);
   contents_.reset(CreateTestTabContents());
 }
 
 void RenderViewHostTestHarness::TearDown() {
   contents_.reset();
 
   // Make sure that we flush any messages related to TabContents destruction
   // before we destroy the profile.
   MessageLoop::current()->RunAllPending();
 
   // Release the profile on the UI thread.
   message_loop_.DeleteSoon(FROM_HERE, profile_.release());
   message_loop_.RunAllPending();
 }