Adding third_party/openh264/src, build files and unittests

third_party/openh264/tests/openh264_unittests.cc

Index: third_party/openh264/tests/openh264_unittests.cc
diff --git a/third_party/openh264/tests/openh264_unittests.cc b/third_party/openh264/tests/openh264_unittests.cc
deleted file mode 100644
index 443d27fef66530bcd0d8f05ac0695e47f7ddc8b7..0000000000000000000000000000000000000000
--- a/third_party/openh264/tests/openh264_unittests.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace openh264 {
-
-class OpenH264Tests : public testing::Test {
-};
-
-TEST_F(OpenH264Tests, DummyTestAlwaysPass) {
-}
-
-}  // namespace openh264
-
-int main(int argc, char **argv) {
-  ::testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
-}