Reland of place basictypes.h with stdint.h for int_t types.

webrtc/base/byteorder_unittest.cc

 /*
  *  Copyright 2012 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.
  */
 
+#include <stdint.h>
+
 #include "webrtc/base/byteorder.h"
-
-#include "webrtc/base/basictypes.h"
 #include "webrtc/base/gunit.h"
 
 namespace rtc {
 
 // Test memory set functions put values into memory in expected order.
 TEST(ByteOrderTest, TestSet) {
   uint8_t buf[8] = {0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u};
   Set8(buf, 0, 0xfb);
   Set8(buf, 1, 0x12);
   EXPECT_EQ(0xfb, buf[0]);
@@ skipping 50 matching lines @@
   EXPECT_EQ(0x0123u, GetBE16(buf));
   EXPECT_EQ(0x2301u, GetLE16(buf));
   EXPECT_EQ(0x01234567u, GetBE32(buf));
   EXPECT_EQ(0x67452301u, GetLE32(buf));
   EXPECT_EQ(UINT64_C(0x0123456789abcdef), GetBE64(buf));
   EXPECT_EQ(UINT64_C(0xefcdab8967452301), GetLE64(buf));
 }
 
 }  // namespace rtc