Change default timestamp to 64 bits in all webrtc directories.

webrtc/base/messagequeue.cc

Index: webrtc/base/messagequeue.cc
diff --git a/webrtc/base/messagequeue.cc b/webrtc/base/messagequeue.cc
index 61aa61192bbad69d87ddf5e79aab3a5af3ce290f..61c36e2ca045eaff3324318b0e76418edee77ba8 100644
--- a/webrtc/base/messagequeue.cc
+++ b/webrtc/base/messagequeue.cc
@@ -27,7 +27,7 @@ typedef rtc::PhysicalSocketServer DefaultSocketServer;
 
 namespace rtc {
 
-const uint32_t kMaxMsgLatency = 150;  // 150 ms
+const int kMaxMsgLatency = 150;  // 150 ms
 
 //------------------------------------------------------------------
 // MessageQueueManager
@@ -226,8 +226,8 @@ bool MessageQueue::Get(Message *pmsg, int cmsWait, bool process_io) {
 
   int cmsTotal = cmsWait;
   int cmsElapsed = 0;
-  uint32_t msStart = Time();
-  uint32_t msCurrent = msStart;
+  int64_t msStart = Time();
+  int64_t msCurrent = msStart;
   while (true) {
     // Check for sent messages
     ReceiveSends();
@@ -246,7 +246,7 @@ bool MessageQueue::Get(Message *pmsg, int cmsWait, bool process_io) {
         if (first_pass) {
           first_pass = false;
           while (!dmsgq_.empty()) {
-            if (TimeIsLater(msCurrent, dmsgq_.top().msTrigger_)) {
+            if (msCurrent < dmsgq_.top().msTrigger_) {
               cmsDelayNext = TimeDiff(dmsgq_.top().msTrigger_, msCurrent);
               break;
             }
@@ -349,7 +349,7 @@ void MessageQueue::PostDelayed(int cmsDelay,
   return DoDelayPost(cmsDelay, TimeAfter(cmsDelay), phandler, id, pdata);
 }
 
-void MessageQueue::PostAt(uint32_t tstamp,
+void MessageQueue::PostAt(int64_t tstamp,
                           MessageHandler* phandler,
                           uint32_t id,
                           MessageData* pdata) {
@@ -357,7 +357,7 @@ void MessageQueue::PostAt(uint32_t tstamp,
 }
 
 void MessageQueue::DoDelayPost(int cmsDelay,
-                               uint32_t tstamp,
+                               int64_t tstamp,
                                MessageHandler* phandler,
                                uint32_t id,
                                MessageData* pdata) {