Introduces a new MHTML generation parameter specifying different behvaior for cache-control headers.

content/public/browser/web_contents.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_BROWSER_WEB_CONTENTS_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 42 matching lines @@
 class InterstitialPage;
 class PageState;
 class RenderFrameHost;
 class RenderProcessHost;
 class RenderViewHost;
 class RenderWidgetHostView;
 class WebContentsDelegate;
 struct CustomContextMenuContext;
 struct DropData;
 struct Manifest;
+struct MHTMLGenerationParams;
 struct PageImportanceSignals;
 struct RendererPreferences;
 
 // WebContents is the core class in content/. A WebContents renders web content
 // (usually HTML) in a rectangular area.
 //
 // Instantiating one is simple:
 //   std::unique_ptr<content::WebContents> web_contents(
 //       content::WebContents::Create(
 //           content::WebContents::CreateParams(browser_context)));
@@ skipping 467 matching lines @@
   virtual void SaveFrameWithHeaders(const GURL& url,
                                     const Referrer& referrer,
                                     const std::string& headers) = 0;
 
   // Generate an MHTML representation of the current page in the given file.
   // If |use_binary_encoding| is specified, a Content-Transfer-Encoding value of
   // 'binary' will be used, instead of a combination of 'quoted-printable' and
   // 'base64'.  Binary encoding is known to have interoperability issues and is
   // not the recommended encoding for shareable content.
   virtual void GenerateMHTML(
-      const base::FilePath& file,
-      bool use_binary_encoding,
+      const MHTMLGenerationParams& params,
       const base::Callback<void(int64_t /* size of the file */)>& callback) = 0;
 
   // Returns the contents MIME type after a navigation.
   virtual const std::string& GetContentsMimeType() const = 0;
 
   // Returns true if this WebContents will notify about disconnection.
   virtual bool WillNotifyDisconnection() const = 0;
 
   // Override the encoding and reload the page by sending down
   // ViewMsg_SetPageEncoding to the renderer. |UpdateEncoding| is kinda
@@ skipping 178 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class WebContentsImpl;
   WebContents() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_