Change default timestamp to 64 bits in all webrtc directories.

webrtc/base/physicalsocketserver.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 #include "webrtc/base/physicalsocketserver.h"
@@ skipping 1445 matching lines @@
     return false;
   }
   return true;
 }
 #endif  // WEBRTC_POSIX
 
 #if defined(WEBRTC_WIN)
 bool PhysicalSocketServer::Wait(int cmsWait, bool process_io) {
   int cmsTotal = cmsWait;
   int cmsElapsed = 0;
-  uint32_t msStart = Time();
+  int64_t msStart = Time();
 
   fWait_ = true;
   while (fWait_) {
     std::vector<WSAEVENT> events;
     std::vector<Dispatcher *> event_owners;
 
     events.push_back(socket_ev_);
 
     {
       CritScope cr(&crit_);
@@ skipping 129 matching lines @@
         iterators_.pop_back();
       }
 
       // Reset the network event until new activity occurs
       WSAResetEvent(socket_ev_);
     }
 
     // Break?
     if (!fWait_)
       break;
-    cmsElapsed = TimeSince(msStart);
+    cmsElapsed = static_cast<int>(TimeSince(msStart));

[pthatcher1, 2016/05/02 16:57:56]

Can you leave a comment about why we do this and why we think it's safe?

[honghaiz3, 2016/05/03 21:18:25]

Just used int64_t instead. 
Deferred the type conversion to the call WSAWaitForMultipleEvents

     if ((cmsWait != kForever) && (cmsElapsed >= cmsWait)) {
        break;
     }
   }
 
   // Done
   return true;
 }
 #endif  // WEBRTC_WIN
 
 }  // namespace rtc