Allow MIDI permission in content shell's ShellBrowserContext::RequestMIDISysExPermission. By defaul…

content/shell/browser/shell_browser_context.cc

 // Copyright 2013 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/shell/browser/shell_browser_context.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/file_util.h"
@@ skipping 170 matching lines @@
       int render_view_id,
       int bridge_id,
       const GURL& requesting_frame,
       const MIDISysExPermissionCallback& callback) {
   // Always reject requests for LayoutTests for now.
   // TODO(toyoshim): Make it programmable to improve test coverage.
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree)) {
     callback.Run(false);
     return;
   }
-  // TODO(toyoshim): Implement. http://crbug.com/257618 .
-  callback.Run(false);
+  callback.Run(true);
 }
 
 void ShellBrowserContext::CancelMIDISysExPermissionRequest(
     int render_process_id,
     int render_view_id,
     int bridge_id,
     const GURL& requesting_frame) {
 }
 
 net::URLRequestContextGetter*
@@ skipping 11 matching lines @@
 GeolocationPermissionContext*
     ShellBrowserContext::GetGeolocationPermissionContext()  {
   return NULL;
 }
 
 quota::SpecialStoragePolicy* ShellBrowserContext::GetSpecialStoragePolicy() {
   return NULL;
 }
 
 }  // namespace content