Add content_browsertests for testing cache control flags

content/shell/browser/shell.h

 // Copyright 2013 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_SHELL_BROWSER_SHELL_H_
 #define CONTENT_SHELL_BROWSER_SHELL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
@@ skipping 53 matching lines @@
                            const GURL& base_url);
 
 #if defined(OS_ANDROID)
   // Android-only path to allow loading long data strings.
   void LoadDataAsStringWithBaseURL(const GURL& url,
                                    const std::string& data,
                                    const GURL& base_url);
 #endif
   void GoBackOrForward(int offset);
   void Reload();
+  void ReloadBypassingCache();
   void Stop();
   void UpdateNavigationControls(bool to_different_document);
   void Close();
   void ShowDevTools();
   void ShowDevToolsForElementAt(int x, int y);
   void CloseDevTools();
 #if defined(OS_MACOSX)
   // Resizes the web content view to the given dimensions.
   void SizeTo(const gfx::Size& content_size);
 #endif
@@ skipping 185 matching lines @@
   static base::Callback<void(Shell*)> shell_created_callback_;
 
   // True if the destructur of Shell should post a quit closure on the current
   // message loop if the destructed Shell object was the last one.
   static bool quit_message_loop_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_SHELL_H_