Add content_browsertests for testing cache control flags

content/public/test/content_browser_test_utils.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_TEST_CONTENT_BROWSER_TEST_UTILS_H_
 #define CONTENT_PUBLIC_TEST_CONTENT_BROWSER_TEST_UTILS_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 51 matching lines @@
 
 // Navigates |window| to |url|, blocks until the navigation finishes, and
 // checks that the navigation did not commit (e.g., due to a crash or
 // download).
 bool NavigateToURLAndExpectNoCommit(Shell* window, const GURL& url);
 
 // Reloads |window|, blocking until the given number of navigations finishes.
 void ReloadBlockUntilNavigationsComplete(Shell* window,
                                          int number_of_navigations);
 
+// Reloads |window| with bypassing cache flag, and blocks until the given number
+// of navigations finishes.
+void ReloadBypassingCacheBlockUntilNavigationsComplete(
+    Shell* window,
+    int number_of_navigations);
+
 // Wait until an application modal dialog is requested.
 void WaitForAppModalDialog(Shell* window);
 
 // Used to wait for a new Shell window to be created. Instantiate this object
 // before the operation that will create the window.
 class ShellAddedObserver {
  public:
   ShellAddedObserver();
   ~ShellAddedObserver();
 
@@ skipping 10 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(ShellAddedObserver);
 };
 
 #if defined OS_MACOSX
 void SetWindowBounds(gfx::NativeWindow window, const gfx::Rect& bounds);
 #endif
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_CONTENT_BROWSER_TEST_UTILS_H_