WIP: Move 'X-Frame-Options' checking to the browser.

content/public/browser/navigation_handle.h

 // Copyright 2015 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_NAVIGATION_HANDLE_H_
 #define CONTENT_PUBLIC_BROWSER_NAVIGATION_HANDLE_H_
 
 #include "content/common/content_export.h"
 #include "content/public/browser/navigation_throttle.h"
 #include "content/public/common/referrer.h"
 #include "net/base/net_errors.h"
 #include "ui/base/page_transition_types.h"
 
 class GURL;
 
+namespace net {
+class HttpResponseHeaders;
+}
+
 namespace content {
 class NavigationThrottle;
 class RenderFrameHost;
 class WebContents;
 
 // A NavigationHandle tracks information related to a single navigation.
 class CONTENT_EXPORT NavigationHandle {
  public:
   virtual ~NavigationHandle() {}
 
@@ skipping 37 matching lines @@
   // browser-initiated navigations.
   virtual bool HasUserGesture() = 0;
 
   // Returns the page transition type.
   virtual ui::PageTransition GetPageTransition() = 0;
 
   // Whether the target URL cannot be handled by the browser's internal protocol
   // handlers.
   virtual bool IsExternalProtocol() = 0;
 
+  // Parameters available at network response start time ----------------------
+  //
+  // The following parameters are only available when the network response is
+  // made for the navigation (or at commit time if no network request was made).
+  // This corresponds to NavigationThrottle::WillProcessResponse. They should
+  // not be queried before that.
+
+  // Returns the response headers for the request. This can only be accessed
+  // after a redirect was encountered or after the the navigation is ready to
+  // commit. It should not be modified, as modifications will not be reflected
+  // in the network stack.
+  virtual const net::HttpResponseHeaders* GetResponseHeaders() = 0;
+
   // Navigation control flow --------------------------------------------------
 
   // The net error code if an error happened prior to commit. Otherwise it will
   // be net::OK.
   virtual net::Error GetNetErrorCode() = 0;
 
   // Returns the RenderFrameHost this navigation is taking place in. This can
   // only be accessed after the navigation is ready to commit.
   virtual RenderFrameHost* GetRenderFrameHost() = 0;
 
@@ skipping 50 matching lines @@
   virtual NavigationThrottle::ThrottleCheckResult
   CallWillRedirectRequestForTesting(const GURL& new_url,
                                     bool new_method_is_post,
                                     const GURL& new_referrer_url,
                                     bool new_is_external_protocol) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NAVIGATION_HANDLE_H_