MediaPerceptionPrivate API impl and testing.

extensions/browser/api/media_perception_private/media_perception_private_apitest.cc

+// Copyright 2017 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 "chrome/browser/extensions/extension_apitest.h"
+#include "extensions/browser/api/media_perception_private/media_perception_private_api.h"
+#include "extensions/test/extension_test_message_listener.h"
+
+namespace extensions {
+
+class MediaPerceptionPrivateApiTest : public ExtensionApiTest {
+ public:
+  MediaPerceptionPrivateApiTest() {}
+
+  ~MediaPerceptionPrivateApiTest() override {}
+};
+
+// Verify that we can set and get mediaPerception system state.
+IN_PROC_BROWSER_TEST_F(MediaPerceptionPrivateApiTest, State) {
+  ASSERT_TRUE(RunExtensionTest("media_perception_private/state")) << message_;

[tbarzic, 2017/05/09 01:28:37]

can you run this as platform app test? given that the API is targeted at apps?

[Luke Sorenson, 2017/05/09 21:05:45]

Done.

+}
+
+// Verify that we can request Diagnostics.
+IN_PROC_BROWSER_TEST_F(MediaPerceptionPrivateApiTest, GetDiagnostics) {
+  ASSERT_TRUE(RunExtensionTest("media_perception_private/diagnostics"))
+      << message_;
+}
+
+// Verify that we can listen for MediaPerceptionDetection signals and handle
+// them.
+IN_PROC_BROWSER_TEST_F(MediaPerceptionPrivateApiTest, MediaPerception) {
+  ASSERT_TRUE(RunExtensionTest("media_perception_private/media_perception"))
+      << message_;
+}
+
+}  // namespace extensions