[NoStatePrefetch] Add performance histograms.

chrome/browser/prerender/prerender_browsertest.cc

 // Copyright (c) 2012 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 <stddef.h>
 #include <deque>
 #include <set>
 #include <string>
 #include <unordered_map>
 #include <utility>
@@ skipping 536 matching lines @@
 
 // A ContentBrowserClient that cancels all prerenderers on OpenURL.
 class TestContentBrowserClient : public ChromeContentBrowserClient {
  public:
   TestContentBrowserClient() {}
   ~TestContentBrowserClient() override {}
 
   // ChromeContentBrowserClient:
   bool ShouldAllowOpenURL(content::SiteInstance* site_instance,
                           const GURL& url) override {
-    PrerenderManagerFactory::GetForProfile(
-        Profile::FromBrowserContext(site_instance->GetBrowserContext()))
+    PrerenderManagerFactory::GetForBrowserContext(
+        site_instance->GetBrowserContext())
         ->CancelAllPrerenders();
     return ChromeContentBrowserClient::ShouldAllowOpenURL(site_instance,
                                                                   url);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestContentBrowserClient);
 };
 
 // A ContentBrowserClient that forces cross-process navigations.
@@ skipping 2792 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents();
   bool display_test_result = false;
   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(web_contents,
                                                    "DidDisplayReallyPass()",
                                                    &display_test_result));
   ASSERT_TRUE(display_test_result);
 }
 #endif  // !defined(DISABLE_NACL)
 
 }  // namespace prerender