Tests for "Save Image As..." when Data Saver is enabled.

content/public/test/web_contents_tester.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_WEB_CONTENTS_TESTER_H_
 #define CONTENT_PUBLIC_TEST_WEB_CONTENTS_TESTER_H_
 
+#include <string>
+
 #include "ui/base/page_transition_types.h"
 
 class GURL;
 
 namespace content {
 
 class BrowserContext;
 class RenderFrameHost;
 class RenderViewHost;
 class SiteInstance;
@@ skipping 75 matching lines @@
                                bool did_create_new_entry,
                                const GURL& url,
                                ui::PageTransition transition) = 0;
   virtual void TestDidNavigateWithReferrer(RenderFrameHost* render_frame_host,
                                            int page_id,
                                            int nav_entry_id,
                                            bool did_create_new_entry,
                                            const GURL& url,
                                            const Referrer& referrer,
                                            ui::PageTransition transition) = 0;
+
+  // Returns headers that were passed in the previous SaveFrameWithHeaders(...)
+  // call.
+  virtual const std::string& GetSaveFrameHeaders() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_WEB_CONTENTS_TESTER_H_