Use suffixed {uint,int}{8,16,32,64}_t types.

talk/app/webrtc/dtmfsender_unittest.cc

 /*
  * libjingle
  * Copyright 2012 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 114 matching lines @@
   void AddCanInsertDtmfTrack(const std::string& label) {
     can_insert_dtmf_tracks_.insert(label);
   }
   void RemoveCanInsertDtmfTrack(const std::string& label) {
     can_insert_dtmf_tracks_.erase(label);
   }
 
  private:
   std::set<std::string> can_insert_dtmf_tracks_;
   std::vector<DtmfInfo> dtmf_info_queue_;
-  int64 last_insert_dtmf_call_;
+  int64_t last_insert_dtmf_call_;
   sigslot::signal0<> SignalDestroyed;
 };
 
 class DtmfSenderTest : public testing::Test {
  protected:
   DtmfSenderTest()
       : track_(AudioTrack::Create(kTestAudioLabel, NULL)),
         observer_(new rtc::RefCountedObject<FakeDtmfObserver>()),
         provider_(new FakeDtmfProvider()) {
     provider_->AddCanInsertDtmfTrack(kTestAudioLabel);
@@ skipping 204 matching lines @@
   std::string tones = "3,4";
   int duration = 100;
   int inter_tone_gap = 50;
 
   EXPECT_FALSE(dtmf_->InsertDtmf(tones, 6001, inter_tone_gap));
   EXPECT_FALSE(dtmf_->InsertDtmf(tones, 69, inter_tone_gap));
   EXPECT_FALSE(dtmf_->InsertDtmf(tones, duration, 49));
 
   EXPECT_TRUE(dtmf_->InsertDtmf(tones, duration, inter_tone_gap));
 }