Change default timestamp to 64 bits in all webrtc directories.

webrtc/pc/srtpfilter.h

Index: webrtc/pc/srtpfilter.h
diff --git a/webrtc/pc/srtpfilter.h b/webrtc/pc/srtpfilter.h
index f4c1d33dbfafe0077adc6376c00805fbf9ec7e42..6361bbdc1970923877a15f855fb6a95bb4f0e86b 100644
--- a/webrtc/pc/srtpfilter.h
+++ b/webrtc/pc/srtpfilter.h
@@ -119,7 +119,7 @@ class SrtpFilter {
   bool GetRtpAuthParams(uint8_t** key, int* key_len, int* tag_len);
 
   // Update the silent threshold (in ms) for signaling errors.
-  void set_signal_silent_time(uint32_t signal_silent_time_in_ms);
+  void set_signal_silent_time(int signal_silent_time_in_ms);
 
   bool ResetParams();
 
@@ -165,7 +165,7 @@ class SrtpFilter {
     ST_RECEIVEDPRANSWER
   };
   State state_;
-  uint32_t signal_silent_time_in_ms_;
+  int signal_silent_time_in_ms_;
   std::vector<CryptoParams> offer_params_;
   std::unique_ptr<SrtpSession> send_session_;
   std::unique_ptr<SrtpSession> recv_session_;
@@ -207,7 +207,7 @@ class SrtpSession {
   bool GetRtpAuthParams(uint8_t** key, int* key_len, int* tag_len);
 
   // Update the silent threshold (in ms) for signaling errors.
-  void set_signal_silent_time(uint32_t signal_silent_time_in_ms);
+  void set_signal_silent_time(int signal_silent_time_in_ms);
 
   // Calls srtp_shutdown if it's initialized.
   static void Terminate();
@@ -251,9 +251,9 @@ class SrtpStat {
   void AddUnprotectRtcpResult(int result);
 
   // Get silent time (in ms) for SRTP statistics handler.
-  uint32_t signal_silent_time() const { return signal_silent_time_; }
+  int signal_silent_time() const { return signal_silent_time_; }
   // Set silent time (in ms) for SRTP statistics handler.
-  void set_signal_silent_time(uint32_t signal_silent_time) {
+  void set_signal_silent_time(int signal_silent_time) {
     signal_silent_time_ = signal_silent_time;
   }
 
@@ -303,7 +303,7 @@ class SrtpStat {
 
   std::map<FailureKey, FailureStat> failures_;
   // Threshold in ms to silent the signaling errors.
-  uint32_t signal_silent_time_;
+  int signal_silent_time_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(SrtpStat);
 };