First experimental implementation of the Clear-Site-Data header

content/public/browser/navigation_handle.h

Index: content/public/browser/navigation_handle.h
diff --git a/content/public/browser/navigation_handle.h b/content/public/browser/navigation_handle.h
index 96b14ef6da138ec6f3241f3cab915ac7f10822ed..ba8c77d4b0715b43a9ae8abbcbbaca260544ac50 100644
--- a/content/public/browser/navigation_handle.h
+++ b/content/public/browser/navigation_handle.h
@@ -121,7 +121,8 @@ class CONTENT_EXPORT NavigationHandle {
   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.
+  // only be accessed after the response has been received, i.e. in the
+  // WILL_PROCESS_RESPONSE state or later.
   virtual RenderFrameHost* GetRenderFrameHost() = 0;
 
   // Whether the navigation happened in the same page. This is only known