Web MIDI: Add a run-time flag

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 "content/public/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 197 matching lines @@
 // Enable web audio API.
 const char kEnableWebAudio[]                = "enable-webaudio";
 
 // WebRTC is enabled by default on Android.
 const char kDisableWebRTC[]                 = "disable-webrtc";
 #else
 // Disable web audio API.
 const char kDisableWebAudio[]               = "disable-webaudio";
 #endif
 
+// Enables Web MIDI API.
+const char kEnableWebMIDI[]                 = "enable-web-midi";
+
 // Don't enforce the same-origin policy. (Used by people testing their sites.)
 const char kDisableWebSecurity[]            = "disable-web-security";
 
 // Enable an experimental WebSocket implementation.
 const char kEnableExperimentalWebSocket[] = "enable-experimental-websocket";
 
 // Disables WebKit's XSSAuditor. The XSSAuditor mitigates reflective XSS.
 const char kDisableXSSAuditor[]             = "disable-xss-auditor";
 
 // Specifies if the |DOMAutomationController| needs to be bound in the
@@ skipping 552 matching lines @@
 const char kEnableVsyncNotification[] = "enable-vsync-notification";
 
 // Enables history navigation in response to horizontal overscroll.
 const char kEnableOverscrollHistoryNavigation[] =
     "enable-overscroll-history-navigation";
 
 // Enables 'image/webp' accept header for image requests.
 const char kEnableWebPInAcceptHeader[] = "enable-webp-in-accept-header";
 
 }  // namespace switches