LoadTiming implementation in net, part 1.

net/socket/client_socket_pool_base.h

Index: net/socket/client_socket_pool_base.h
===================================================================
--- net/socket/client_socket_pool_base.h	(revision 175289)
+++ net/socket/client_socket_pool_base.h	(working copy)
@@ -38,6 +38,7 @@
 #include "net/base/address_list.h"
 #include "net/base/completion_callback.h"
 #include "net/base/load_states.h"
+#include "net/base/load_timing_info.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_export.h"
 #include "net/base/net_log.h"
@@ -104,6 +105,10 @@
   // additional error state to the ClientSocketHandle (post late-binding).
   virtual void GetAdditionalErrorState(ClientSocketHandle* handle) {}
 
+  const LoadTimingInfo::ConnectTiming& connect_timing() const {
+    return connect_timing_;
+  }
+
   const BoundNetLog& net_log() const { return net_log_; }
 
  protected:
@@ -112,6 +117,9 @@
   void NotifyDelegateOfCompletion(int rv);
   void ResetTimer(base::TimeDelta remainingTime);
 
+  // Connection establishment timing information.
+  LoadTimingInfo::ConnectTiming connect_timing_;
+
  private:
   virtual int ConnectInternal() = 0;
 
@@ -493,6 +501,7 @@
   // Assigns |socket| to |handle| and updates |group|'s counters appropriately.
   void HandOutSocket(StreamSocket* socket,
                      bool reused,
+                     const LoadTimingInfo::ConnectTiming& connect_timing,
                      ClientSocketHandle* handle,
                      base::TimeDelta time_idle,
                      Group* group,