1 files changed, 54 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/test/test_dependency_factory.cc b/third_party/libwebrtc/api/test/test_dependency_factory.cc
new file mode 100644
index 0000000000..41ad70cc3f
--- /dev/null
+++ b/third_party/libwebrtc/api/test/test_dependency_factory.cc
@@ -0,0 +1,54 @@
+/*
+ *  Copyright (c) 2018 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 "api/test/test_dependency_factory.h"
+
+#include <memory>
+#include <utility>
+
+#include "rtc_base/checks.h"
+#include "rtc_base/platform_thread_types.h"
+
+namespace webrtc {
+
+namespace {
+// This checks everything in this file gets called on the same thread. It's
+// static because it needs to look at the static methods too.
+bool IsValidTestDependencyFactoryThread() {
+  const rtc::PlatformThreadRef main_thread = rtc::CurrentThreadRef();
+  return rtc::IsThreadRefEqual(main_thread, rtc::CurrentThreadRef());
+}
+}  // namespace
+
+std::unique_ptr<TestDependencyFactory> TestDependencyFactory::instance_ =
+    nullptr;
+
+const TestDependencyFactory& TestDependencyFactory::GetInstance() {
+  RTC_DCHECK(IsValidTestDependencyFactoryThread());
+  if (instance_ == nullptr) {
+    instance_ = std::make_unique<TestDependencyFactory>();
+  }
+  return *instance_;
+}
+
+void TestDependencyFactory::SetInstance(
+    std::unique_ptr<TestDependencyFactory> instance) {
+  RTC_DCHECK(IsValidTestDependencyFactoryThread());
+  RTC_CHECK(instance_ == nullptr);
+  instance_ = std::move(instance);
+}
+
+std::unique_ptr<VideoQualityTestFixtureInterface::InjectionComponents>
+TestDependencyFactory::CreateComponents() const {
+  RTC_DCHECK(IsValidTestDependencyFactoryThread());
+  return nullptr;
+}
+
+}  // namespace webrtc