Prerender: Disable prefetch if there's an appcache.

chrome/browser/prerender/prerender_test_utils.h

 // Copyright (c) 2016 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.
 
 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_TEST_UTILS_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_TEST_UTILS_H_
 
 #include <deque>
 #include <functional>
 #include <memory>
@@ skipping 337 matching lines @@
   }
 
   const base::HistogramTester& histogram_tester() { return histogram_tester_; }
 
   // Returns a string for pattern-matching TaskManager tab entries.
   base::string16 MatchTaskManagerTab(const char* page_title);
 
   // Returns a string for pattern-matching TaskManager prerender entries.
   base::string16 MatchTaskManagerPrerender(const char* page_title);
 
+  // Returns a GURL for an EmbeddedTestServer that will serves the file
+  // |url_file| with |replacement_text| replacing |replacement_variable|.
+  GURL GetURLWithReplacement(const std::string& url_file,
+                             const std::string& replacement_variable,
+                             const std::string& replacement_text);
+
  protected:
   // For each FinalStatus in |expected_final_status_queue| creates a prerender
   // that is going to verify the correctness of its FinalStatus upon
   // destruction. Waits for creation of the first PrerenderContents.
   std::vector<std::unique_ptr<TestPrerender>> NavigateWithPrerenders(
       const GURL& loader_url,
       const std::vector<FinalStatus>& expected_final_status_queue);
 
   // Creates the URL that instructs the test server to substitute the text
   // |replacement_variable| in the contents of the file pointed to by
@@ skipping 62 matching lines @@
 // |file| afterwards. When the first load has been scheduled, runs |callback| on
 // the UI thread.
 void CreateHangingFirstRequestInterceptorOnIO(
     const GURL& url, const base::FilePath& file, base::Closure callback);
 
 }  // namespace test_utils
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_TEST_UTILS_H_