Move RtpExtension to api/ directory and config.h/.cc to call/.

webrtc/api/rtpparameters_unittest.cc

Index: webrtc/api/rtpparameters_unittest.cc
diff --git a/webrtc/config_unittest.cc b/webrtc/api/rtpparameters_unittest.cc
similarity index 88%
rename from webrtc/config_unittest.cc
rename to webrtc/api/rtpparameters_unittest.cc
index 03784d4afcc899bd37be829b6ae46a99bbada6ea..1c486b8de5fe462ac7888652791be482ea015dc0 100644
--- a/webrtc/config_unittest.cc
+++ b/webrtc/api/rtpparameters_unittest.cc
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *  Copyright 2017 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
@@ -8,11 +8,12 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/config.h"
+#include <utility>
 
-#include <vector>
+#include "webrtc/api/rtpparameters.h"
+#include "webrtc/test/gtest.h"
 
-#include "webrtc/rtc_base/gunit.h"
+namespace webrtc {
 
 using webrtc::RtpExtension;
 
@@ -47,3 +48,4 @@ TEST(RtpExtensionTest, FilterDuplicateNonEncrypted) {
   EXPECT_EQ(2u, filtered.size());
   EXPECT_EQ(extensions, filtered);
 }
+}  // namespace webrtc