Clean up TCW, make it solely a hub for 1:1 observer/helper objects.

chrome/browser/prerender/prerender_browsertest.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 <deque>
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/stringprintf.h"
 #include "base/string_util.h"
@@ skipping 1335 matching lines @@
 
 // Checks that prerenderers will terminate when the RenderView crashes.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderRendererCrash) {
   PrerenderTestURL("files/prerender/prerender_page.html",
                    FINAL_STATUS_RENDERER_CRASHED,
                    1);
 
   // Navigate to about:crash and then wait for the renderer to crash.
   ASSERT_TRUE(GetPrerenderContents());
   ASSERT_TRUE(GetPrerenderContents()->prerender_contents());
-  GetPrerenderContents()->prerender_contents()->controller().LoadURL(
-      GURL(chrome::kAboutCrashURL), content::Referrer(),
-      content::PAGE_TRANSITION_TYPED, std::string());
+  GetPrerenderContents()->prerender_contents()->tab_contents()->controller().
+      LoadURL(
+          GURL(chrome::kAboutCrashURL),
+          content::Referrer(),
+          content::PAGE_TRANSITION_TYPED,
+          std::string());
   ui_test_utils::RunMessageLoop();
 }
 
 // Checks that we correctly use a prerendered page when navigating to a
 // fragment.
 // DISABLED: http://crbug.com/84154
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest,
                        DISABLED_PrerenderPageNavigateFragment) {
   PrerenderTestURL("files/prerender/prerender_fragment.html",
                    FINAL_STATUS_FRAGMENT_MISMATCH,
@@ skipping 527 matching lines @@
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, DISABLED_PrerenderSessionStorage) {
   set_loader_path("files/prerender/prerender_loader_with_session_storage.html");
   PrerenderTestURL(GetCrossDomainTestUrl("files/prerender/prerender_page.html"),
                    FINAL_STATUS_USED,
                    1);
   NavigateToDestURL();
   GoBackToPageBeforePrerender(browser());
 }
 
 }  // namespace prerender