Handle Z_BUF_ERROR as a non-fatal error while incrementally decompressing

net/spdy/spdy_framer_test.cc

Index: net/spdy/spdy_framer_test.cc
===================================================================
--- net/spdy/spdy_framer_test.cc	(revision 117344)
+++ net/spdy/spdy_framer_test.cc	(working copy)
@@ -817,9 +817,7 @@
 }
 
 // Verify we don't leak when we leave streams unclosed
-// http://crbug.com/108596 - Disabled, failed ASAN tests.
-// TODO(rtenneti): investigating why it is failing.
-TEST_F(SpdyFramerTest, DISABLED_UnclosedStreamDataCompressors) {
+TEST_F(SpdyFramerTest, UnclosedStreamDataCompressors) {
   SpdyFramer send_framer;
 
   send_framer.set_enable_compression(true);