HPACK optimal Huffman code instrumentation and UMA collection.

net/http/http_network_transaction.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/http_network_transaction.h"
 
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 36 matching lines @@
 #include "net/http/http_stream_base.h"
 #include "net/http/http_stream_factory.h"
 #include "net/http/http_util.h"
 #include "net/http/transport_security_state.h"
 #include "net/http/url_security_manager.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/socket/socks_client_socket_pool.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/socket/ssl_client_socket_pool.h"
 #include "net/socket/transport_client_socket_pool.h"
+#include "net/spdy/hpack_huffman_aggregator.h"
 #include "net/spdy/spdy_http_stream.h"
 #include "net/spdy/spdy_session.h"
 #include "net/spdy/spdy_session_pool.h"
 #include "net/ssl/ssl_cert_request_info.h"
 #include "net/ssl/ssl_connection_status_flags.h"
 #include "url/gurl.h"
 
 #if defined(SPDY_PROXY_AUTH_ORIGIN)
 #include <algorithm>
 #include "net/proxy/proxy_server.h"
@@ skipping 1026 matching lines @@
                            endpoint);
 
   int rv = HandleAuthChallenge();
   if (rv != OK)
     return rv;
 
   if (is_https_request())
     stream_->GetSSLInfo(&response_.ssl_info);
 
   headers_valid_ = true;
+
+  if (session_->huffman_aggregator()) {
+    session_->huffman_aggregator()->AggregateTransactionCharacterCounts(
+        *request_,
+        request_headers_,
+        proxy_info_.proxy_server(),
+        *response_.headers);
+  }
   return OK;
 }
 
 int HttpNetworkTransaction::DoReadBody() {
   DCHECK(read_buf_.get());
   DCHECK_GT(read_buf_len_, 0);
   DCHECK(stream_ != NULL);
 
   next_state_ = STATE_READ_BODY_COMPLETE;
   return stream_->ReadResponseBody(
@@ skipping 490 matching lines @@
       description = base::StringPrintf("Unknown state 0x%08X (%u)", state,
                                        state);
       break;
   }
   return description;
 }
 
 #undef STATE_CASE
 
 }  // namespace net