Web MIDI: add RequestMIDISysExPermission to BrowserContext

android_webview/browser/aw_browser_context.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 "android_webview/browser/aw_browser_context.h"
 
 #include "android_webview/browser/aw_form_database_service.h"
 #include "android_webview/browser/aw_pref_store.h"
 #include "android_webview/browser/aw_quota_manager_bridge.h"
 #include "android_webview/browser/jni_dependency_factory.h"
@@ skipping 162 matching lines @@
 net::URLRequestContextGetter*
 AwBrowserContext::GetRequestContextForRenderProcess(
     int renderer_child_id) {
   return GetRequestContext();
 }
 
 net::URLRequestContextGetter* AwBrowserContext::GetMediaRequestContext() {
   return GetRequestContext();
 }
 
+void AwBrowserContext::RequestMIDISysExPermission(
+      int render_process_id,
+      int render_view_id,
+      const GURL& requesting_frame,
+      const MIDISysExPermissionCallback& callback) {
+  // Always reject requests for testing.

[jam, 2013/07/12 16:06:35]

? This is used for android_webview. why do you say testing?

[Takashi Toyoshima, 2013/07/12 16:37:30]

Oops.
Sorry for my poor copy & paste.
Fixed.

+  callback.Run(false);
+}
+
 net::URLRequestContextGetter*
 AwBrowserContext::GetMediaRequestContextForRenderProcess(
     int renderer_child_id) {
   return GetRequestContext();
 }
 
 net::URLRequestContextGetter*
 AwBrowserContext::GetMediaRequestContextForStoragePartition(
     const base::FilePath& partition_path,
     bool in_memory) {
@@ skipping 31 matching lines @@
 
 void AwBrowserContext::RebuildTable(
     const scoped_refptr<URLEnumerator>& enumerator) {
   // Android WebView rebuilds from WebChromeClient.getVisitedHistory. The client
   // can change in the lifetime of this WebView and may not yet be set here.
   // Therefore this initialization path is not used.
   enumerator->OnComplete(true);
 }
 
 }  // namespace android_webview