Reland "Add base::TimeDelta::Max()" again.

net/spdy/spdy_session.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/spdy/spdy_session.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 2707 matching lines @@
     return;
   }
 
   DCHECK(check_ping_status_pending_);
 
   base::TimeTicks now = time_func_();
   base::TimeDelta delay = hung_interval_ - (now - last_activity_time_);
 
   if (delay.InMilliseconds() < 0 || last_activity_time_ < last_check_time) {
     // Track all failed PING messages in a separate bucket.
-    const base::TimeDelta kFailedPing =
-        base::TimeDelta::FromInternalValue(INT_MAX);
-    RecordPingRTTHistogram(kFailedPing);
+    RecordPingRTTHistogram(base::TimeDelta::Max());
     CloseSessionResult result =
         DoCloseSession(ERR_SPDY_PING_FAILED, "Failed ping.");
     DCHECK_EQ(result, SESSION_CLOSED_AND_REMOVED);
     return;
   }
 
   // Check the status of connection after a delay.
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&SpdySession::CheckPingStatus, weak_factory_.GetWeakPtr(),
@@ skipping 300 matching lines @@
     if (!queue->empty()) {
       SpdyStreamId stream_id = queue->front();
       queue->pop_front();
       return stream_id;
     }
   }
   return 0;
 }
 
 }  // namespace net