Replace Browser::GetTabContentsAt with GetWebContentsAt and update all callers.

chrome/browser/renderer_host/web_cache_manager_browsertest.cc

Index: chrome/browser/renderer_host/web_cache_manager_browsertest.cc
===================================================================
--- chrome/browser/renderer_host/web_cache_manager_browsertest.cc	(revision 116244)
+++ chrome/browser/renderer_host/web_cache_manager_browsertest.cc	(working copy)
@@ -11,10 +11,12 @@
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
-#include "content/browser/tab_contents/tab_contents.h"
+#include "content/public/browser/web_contents.h"
 #include "content/public/common/result_codes.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using content::WebContents;
+
 class WebCacheManagerBrowserTest : public InProcessBrowserTest {
 };
 
@@ -31,7 +33,7 @@
   browser()->NewTab();
   ui_test_utils::NavigateToURL(browser(), url);
 
-  TabContents* tab = browser()->GetTabContentsAt(0);
+  WebContents* tab = browser()->GetWebContentsAt(0);
   ASSERT_TRUE(tab != NULL);
   base::KillProcess(tab->GetRenderProcessHost()->GetHandle(),
                     content::RESULT_CODE_KILLED, true);