[Media] Add user gesture reporting for API calls to midi and media streams.

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/aw_resource_context.h"
@@ skipping 153 matching lines @@
 
 net::URLRequestContextGetter* AwBrowserContext::GetMediaRequestContext() {
   return GetRequestContext();
 }
 
 void AwBrowserContext::RequestMidiSysExPermission(
       int render_process_id,
       int render_view_id,
       int bridge_id,
       const GURL& requesting_frame,
+      bool user_gesture,
       const MidiSysExPermissionCallback& callback) {
   // TODO(toyoshim): Android WebView is not supported yet.
   // See http://crbug.com/339767.
   callback.Run(false);
 }
 
 void AwBrowserContext::CancelMidiSysExPermissionRequest(
     int render_process_id,
     int render_view_id,
     int bridge_id,
@@ skipping 59 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