Change default timestamp to 64 bits in all webrtc directories.

webrtc/api/peerconnectionendtoend_unittest.cc

 /*
  *  Copyright 2013 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.
  */
 
@@ skipping 17 matching lines @@
   }
 
 using webrtc::DataChannelInterface;
 using webrtc::FakeConstraints;
 using webrtc::MediaConstraintsInterface;
 using webrtc::MediaStreamInterface;
 using webrtc::PeerConnectionInterface;
 
 namespace {
 
-const size_t kMaxWait = 10000;
+const int kMaxWait = 10000;
 
 }  // namespace
 
 class PeerConnectionEndToEndTest
     : public sigslot::has_slots<>,
       public testing::Test {
  public:
   typedef std::vector<rtc::scoped_refptr<DataChannelInterface> >
       DataChannelList;
 
@@ skipping 312 matching lines @@
   WaitForDataChannelsToOpen(caller_dc, callee_signaled_data_channels_, 0);
   // This removes the reference to the remote data channel that we hold.
   callee_signaled_data_channels_.clear();
   caller_dc->Close();
   EXPECT_EQ_WAIT(DataChannelInterface::kClosed, caller_dc->state(), kMaxWait);
 
   // Wait for a bit longer so the remote data channel will receive the
   // close message and be destroyed.
   rtc::Thread::Current()->ProcessMessages(100);
 }