Revert of MediaPerceptionPrivate API impl and testing.

extensions/test/data/media_perception_private/state/runtest.js

Index: extensions/test/data/media_perception_private/state/runtest.js
diff --git a/extensions/test/data/media_perception_private/state/runtest.js b/extensions/test/data/media_perception_private/state/runtest.js
deleted file mode 100644
index be02705b93056d3b61d99c91644a79c55ad29f8b..0000000000000000000000000000000000000000
--- a/extensions/test/data/media_perception_private/state/runtest.js
+++ /dev/null
@@ -1,52 +0,0 @@
-// 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.
-
-function getStateUninitialized() {
-  chrome.mediaPerceptionPrivate.getState(
-      chrome.test.callbackPass(function(state) {
-        chrome.test.assertEq({ status: 'UNINITIALIZED' }, state);
-      }));
-}
-
-function setStateRunning() {
-  chrome.mediaPerceptionPrivate.setState({
-    status: 'RUNNING',
-    deviceContext: 'device_context'
-  }, chrome.test.callbackPass(function(state) {
-    chrome.test.assertEq('RUNNING', state.status);
-  }));
-}
-
-function getStateRunning() {
-  chrome.mediaPerceptionPrivate.getState(
-      chrome.test.callbackPass(function(state) {
-        chrome.test.assertEq('RUNNING', state.status);
-      }));
-}
-
-function setStateUnsettable() {
-  const error = 'Status can only be set to RUNNING and SUSPENDED.';
-  chrome.mediaPerceptionPrivate.setState({
-    status: 'UNINITIALIZED'
-  }, chrome.test.callbackFail(error));
-  chrome.mediaPerceptionPrivate.setState({
-    status: 'STARTED'
-  }, chrome.test.callbackFail(error));
-}
-
-function setStateSuspendedButWithDeviceContextFail() {
-  const error = 'Only provide deviceContext with SetState RUNNING.';
-  chrome.mediaPerceptionPrivate.setState({
-    status: 'SUSPENDED',
-    deviceContext: 'device_context'
-  }, chrome.test.callbackFail(error));
-}
-
-chrome.test.runTests([
-    getStateUninitialized,
-    setStateRunning,
-    getStateRunning,
-    setStateUnsettable,
-    setStateSuspendedButWithDeviceContextFail]);
-