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

content/browser/frame_host/navigation_handle_impl.h

Index: content/browser/frame_host/navigation_handle_impl.h
diff --git a/content/browser/frame_host/navigation_handle_impl.h b/content/browser/frame_host/navigation_handle_impl.h
index 192cdab3348d3d9dc0bd3ff51c92aa625f7e1ae7..bca71243343199e88bd566dca374ced72523909a 100644
--- a/content/browser/frame_host/navigation_handle_impl.h
+++ b/content/browser/frame_host/navigation_handle_impl.h
@@ -160,6 +160,15 @@ class CONTENT_EXPORT NavigationHandleImpl : public NavigationHandle {
       scoped_refptr<net::HttpResponseHeaders> response_headers,
       const ThrottleChecksFinishedCallback& callback);
 
+  // Called when the URLRequest has response data, and is ready to be
+  // committed. |callback| will be called if the throttle checks indicate
+  // that the request should be cancelled. Otherwise, 'ReadyToCommitNavigation'
+  // will be called.
+  void WillProcessResponse(
+      RenderFrameHostImpl* render_frame_host,
+      scoped_refptr<net::HttpResponseHeaders> response_headers,
+      const ThrottleChecksFinishedCallback& callback);
+
   // Returns the FrameTreeNode this navigation is happening in.
   FrameTreeNode* frame_tree_node() { return frame_tree_node_; }
 
@@ -201,6 +210,7 @@ class CONTENT_EXPORT NavigationHandleImpl : public NavigationHandle {
 
   NavigationThrottle::ThrottleCheckResult CheckWillStartRequest();
   NavigationThrottle::ThrottleCheckResult CheckWillRedirectRequest();
+  NavigationThrottle::ThrottleCheckResult CheckWillProcessResponse();
 
   // Helper function to run and reset the |complete_callback_|. This marks the
   // end of a round of NavigationThrottleChecks.