Allow autoplay unmuted for WebAPK in the manifest scope

content/public/common/content_switches.cc

 // Copyright (c) 2012 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 "build/build_config.h"
 #include "content/public/common/content_switches.h"
 #include "media/media_features.h"
 
 namespace switches {
 
@@ skipping 965 matching lines @@
 const char kEnableAdaptiveSelectionHandleOrientation[] =
     "enable-adaptive-selection-handle-orientation";
 
 // Enable content intent detection in the renderer.
 const char kEnableContentIntentDetection[] =
     "enable-content-intent-detection";
 
 // Enable drag manipulation of longpress-triggered text selections.
 const char kEnableLongpressDragSelection[]  = "enable-longpress-drag-selection";
 
+// Disable gesture requirement for media playback in the specified whitelist.
+const char kMediaPlaybackGestureWhitelistScope[] =
+    "media-playback-gesture-whitelist-scope";
+
 // The telephony region (ISO country code) to use in phone number detection.
 const char kNetworkCountryIso[] = "network-country-iso";
 
 // When blink should declare a load "done" for the purpose of the
 // progress bar.
 const char kProgressBarCompletion[] = "progress-bar-completion";
 
 // Enables remote debug over HTTP on the specified socket name.
 const char kRemoteDebuggingSocketName[]     = "remote-debugging-socket-name";
 
@@ skipping 100 matching lines @@
 // the given directory. Used primarily to gather samples for IPC fuzzing.
 const char kIpcDumpDirectory[] = "ipc-dump-directory";
 
 // Specifies the testcase used by the IPC fuzzer.
 const char kIpcFuzzerTestcase[] = "ipc-fuzzer-testcase";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches