Propagate the encoded data length through OnDownloadData delegate method

webkit/child/resource_loader_bridge.h

Index: webkit/child/resource_loader_bridge.h
diff --git a/webkit/child/resource_loader_bridge.h b/webkit/child/resource_loader_bridge.h
index 160bc846a594cd4225e9f0703ec48ecdde1e01ae..dc01d44c43c91e808f521469b1b3e2850e5d1ad2 100644
--- a/webkit/child/resource_loader_bridge.h
+++ b/webkit/child/resource_loader_bridge.h
@@ -153,7 +153,10 @@ class ResourceLoaderBridge {
     // called multiple times or not at all if an error occurs.  This method is
     // only called if RequestInfo::download_to_file was set to true, and in
     // that case, OnReceivedData will not be called.
-    virtual void OnDownloadedData(int len) = 0;
+    // The encoded_data_length is the length of the encoded data transferred
+    // over the network, which could be different from data length (e.g. for
+    // gzipped content), or -1 if if unknown.

[Nico, 2013/09/02 03:50:25]

s/if if/if/

So this will only be valid while devtools are open? If so, and that's
intentional, mention that in the CL description which why that is sufficient.
With that, lgtm.

[yusukesuzuki, 2013/09/02 04:10:14]

Done. I've mentioned it in the CL description and documented it in the comment.
And I've done s/if if/if/. Thanks.

+    virtual void OnDownloadedData(int len, int encoded_data_length) = 0;
 
     // Called when a chunk of response data is available. This method may
     // be called multiple times or not at all if an error occurs.