QUIC - Record loading of QUICServerInfo from disk cache.

net/http/disk_cache_based_quic_server_info.h

Index: net/http/disk_cache_based_quic_server_info.h
diff --git a/net/http/disk_cache_based_quic_server_info.h b/net/http/disk_cache_based_quic_server_info.h
index 770703728ecca849b45992623f33b920f6a5ab7e..3a6d5c95652a0ab3a47dcba49e477d36a33bc9c5 100644
--- a/net/http/disk_cache_based_quic_server_info.h
+++ b/net/http/disk_cache_based_quic_server_info.h
@@ -10,6 +10,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
+#include "base/time/time.h"
 #include "net/base/completion_callback.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/quic/crypto/quic_server_info.h"
@@ -98,6 +99,7 @@ class NET_EXPORT_PRIVATE DiskCacheBasedQuicServerInfo
   scoped_refptr<IOBuffer> read_buffer_;
   scoped_refptr<IOBuffer> write_buffer_;
   std::string data_;
+  base::TimeTicks load_start_time_;
 
   base::WeakPtrFactory<DiskCacheBasedQuicServerInfo> weak_factory_;
 };