Update MidiDispatcher to use Mojo Permission Service.

content/browser/permissions/permission_service_impl.cc

 // Copyright 2014 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/browser/permissions/permission_service_impl.h"
 
 #include "content/browser/geolocation/geolocation_provider_impl.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/render_process_host.h"
 
 namespace content {
 
 namespace {
 
 PermissionType PermissionNameToPermissionType(PermissionName name) {
   switch(name) {
     case PERMISSION_NAME_GEOLOCATION:
       return PERMISSION_GEOLOCATION;
+    case PERMISSION_NAME_MIDI_SYSEX:
+      return PERMISSION_MIDI_SYSEX;
   }
 
   NOTREACHED();
   return PERMISSION_NUM;
 }
 
 } // anonymous namespace
 
 PermissionServiceImpl::PendingRequest::PendingRequest(PermissionType permission,
                                                       const GURL& origin)
@@ skipping 46 matching lines @@
                  weak_factory_.GetWeakPtr(),
                  callback,
                  request_id));
 }
 
 void PermissionServiceImpl::OnRequestPermissionResponse(
     const mojo::Callback<void(PermissionStatus)>& callback,
     int request_id,
     bool allowed) {
   // TODO(mlamouri): we might want a generic way to handle those things.
+  // TODO(mlamouri): could that move to <name>_permission_context.cc?
   if (allowed &&
       pending_requests_.Lookup(request_id)->permission ==
           PERMISSION_GEOLOCATION) {
     GeolocationProviderImpl::GetInstance()->UserDidOptIntoLocationServices();
   }
 
   pending_requests_.Remove(request_id);
 
   // TODO(mlamouri): for now, we only get a boolean back, but we would ideally
   // need a ContentSetting, see http://crbug.com/432978
@@ skipping 16 matching lines @@
 }
 
 void PermissionServiceImpl::HasPermission(
     PermissionName permission,
     const mojo::String& origin,
     const mojo::Callback<void(PermissionStatus)>& callback) {
   NOTIMPLEMENTED();
 }
 
 }  // namespace content