DataReductionProxyNavigationThrottle

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 0bfbca8c7115ebb8c566f501d010970fdd4f4a57..ed9a59a3b645a27160d364b70c64a630400c8d38 100644
--- a/content/public/browser/navigation_handle.h
+++ b/content/public/browser/navigation_handle.h
@@ -13,6 +13,10 @@
 
 class GURL;
 
+namespace net {
+class HttpResponseHeaders;
+}
+
 namespace content {
 class NavigationThrottle;
 class RenderFrameHost;
@@ -32,6 +36,10 @@ class CONTENT_EXPORT NavigationHandle {
   // when encountering a server redirect.
   virtual const GURL& GetURL() = 0;
 
+  // The original URL for this navigation. This is not modified, and may differ
+  // from GetURL after the navigation encounters a server redirect.
+  virtual const GURL& GetOriginalURL() = 0;
+
   // Whether the navigation is taking place in the main frame or in a subframe.
   // This remains constant over the navigation lifetime.
   virtual bool IsInMainFrame() = 0;
@@ -70,6 +78,9 @@ class CONTENT_EXPORT NavigationHandle {
   // handlers.
   virtual bool IsExternalProtocol() = 0;
 
+  // Whether this navigation originated from a prefetch.
+  virtual bool IsPrefetch() = 0;
+
   // Navigation control flow --------------------------------------------------
 
   // The net error code if an error happened prior to commit. Otherwise it will
@@ -85,6 +96,12 @@ class CONTENT_EXPORT NavigationHandle {
   // before the navigation has committed.
   virtual bool IsSamePage() = 0;
 
+  // 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();
+
   // Whether the navigation has committed. This returns true for either
   // successful commits or error pages that replace the previous page
   // (distinguished by |IsErrorPage|), and false for errors that leave the user