Cancel MIDI permission request infobar on MIDIAccess stop.

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 161 matching lines @@
 net::URLRequestContextGetter*
     ShellBrowserContext::GetMediaRequestContextForStoragePartition(
         const base::FilePath& partition_path,
         bool in_memory) {
   return GetRequestContext();
 }
 
 void ShellBrowserContext::RequestMIDISysExPermission(
       int render_process_id,
       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);
 }
 
+void ShellBrowserContext::CancelMIDISysExPermissionRequest(
+    int render_process_id,
+    int render_view_id,
+    int bridge_id,
+    const GURL& requesting_frame) {

[jochen (gone - plz use gerrit), 2013/10/25 11:37:09]

why do you need this empty method here?

[Kibeom Kim (inactive), 2013/10/28 09:43:18]

Done. (Also moved other empty RequestMIDISysExPermission implementations to
headers)

+}
+
 net::URLRequestContextGetter*
     ShellBrowserContext::CreateRequestContextForStoragePartition(
         const base::FilePath& partition_path,
         bool in_memory,
         ProtocolHandlerMap* protocol_handlers) {
   return NULL;
 }
 
 ResourceContext* ShellBrowserContext::GetResourceContext()  {
   return resource_context_.get();
 }
 
 GeolocationPermissionContext*
     ShellBrowserContext::GetGeolocationPermissionContext()  {
   return NULL;
 }
 
 quota::SpecialStoragePolicy* ShellBrowserContext::GetSpecialStoragePolicy() {
   return NULL;
 }
 
 }  // namespace content