HttpStreamParser: Don't reuse sockets which receive unparsed data.

net/http/http_response_body_drainer.cc

Index: net/http/http_response_body_drainer.cc
diff --git a/net/http/http_response_body_drainer.cc b/net/http/http_response_body_drainer.cc
index fdcec3115d3fc515723f977c54bf68cfd9b4f8f8..b484e04b18e093f0b9ab21c4bfaccd3967caf635 100644
--- a/net/http/http_response_body_drainer.cc
+++ b/net/http/http_response_body_drainer.cc
@@ -9,15 +9,19 @@
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_network_session.h"
+#include "net/http/http_response_info.h"
 #include "net/http/http_stream.h"
 
 namespace net {
 
-HttpResponseBodyDrainer::HttpResponseBodyDrainer(HttpStream* stream)
-    : stream_(stream),
+HttpResponseBodyDrainer::HttpResponseBodyDrainer(
+    HttpStream* stream,
+    scoped_ptr<HttpResponseInfo> response_info)
+    : response_info_(std::move(response_info)),
+      stream_(stream),
       next_state_(STATE_NONE),
       total_read_(0),
-      session_(NULL) {}
+      session_(nullptr) {}
 
 HttpResponseBodyDrainer::~HttpResponseBodyDrainer() {}
 
@@ -113,7 +117,7 @@ void HttpResponseBodyDrainer::Finish(int result) {
   if (session_)
     session_->RemoveResponseDrainer(this);
 
-  if (result < 0) {
+  if (result < 0 || !stream_->CanReuseConnection()) {
     stream_->Close(true /* no keep-alive */);
   } else {
     DCHECK_EQ(OK, result);