Change default timestamp to 64 bits in all webrtc directories.

webrtc/base/messagequeue_unittest.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.
  */
 
@@ skipping 35 matching lines @@
     *was_locked = test->IsLocked();
   }
   MessageQueueTest* test;
   bool* was_locked;
   bool* deleted;
 };
 
 static void DelayedPostsWithIdenticalTimesAreProcessedInFifoOrder(
     MessageQueue* q) {
   EXPECT_TRUE(q != NULL);
-  TimeStamp now = Time();
+  int64_t now = Time();
   q->PostAt(now, NULL, 3);
   q->PostAt(now - 2, NULL, 0);
   q->PostAt(now - 1, NULL, 1);
   q->PostAt(now, NULL, 4);
   q->PostAt(now - 1, NULL, 2);
 
   Message msg;
   for (size_t i=0; i<5; ++i) {
     memset(&msg, 0, sizeof(msg));
     EXPECT_TRUE(q->Get(&msg, 0));
@@ skipping 64 matching lines @@
                  << "MessageQueueManager was already initialized by some "
                  << "other test in this run.";
     return;
   }
   bool deleted = false;
   DeletedMessageHandler* handler = new DeletedMessageHandler(&deleted);
   delete handler;
   EXPECT_TRUE(deleted);
   EXPECT_FALSE(MessageQueueManager::IsInitialized());
 }