Make sure filter buffer is flushed after it fills its output quota...

net/url_request/url_request_job.h

Index: net/url_request/url_request_job.h
===================================================================
--- net/url_request/url_request_job.h	(revision 10439)
+++ net/url_request/url_request_job.h	(working copy)
@@ -293,6 +293,11 @@
 
   // The data stream filter which is enabled on demand.
   scoped_ptr<Filter> filter_;
+  
+  // If the filter filled its output buffer, then there is a change that it
+  // still has internal data to emit, and this flag is set.
+  bool filter_needs_more_output_space_;
+
   // When we filter data, we receive data into the filter buffers.  After
   // processing the filtered data, we return the data in the caller's buffer.
   // While the async IO is in progress, we save the user buffer here, and