Allow autoplay unmuted for WebAPK in the manifest scope

chrome/browser/chrome_content_browser_client.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 "chrome/browser/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 250 matching lines @@
 #include "base/debug/leak_annotations.h"
 #include "components/crash/content/app/breakpad_linux.h"
 #include "components/crash/content/browser/crash_handler_host_linux.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/android/chrome_context_util.h"
 #include "chrome/browser/android/devtools_manager_delegate_android.h"
 #include "chrome/browser/android/ntp/new_tab_page_url_handler.h"
 #include "chrome/browser/android/service_tab_launcher.h"
+#include "chrome/browser/android/tab_android.h"
 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 #include "components/payments/payment_request.mojom.h"
 #include "content/public/browser/android/java_interfaces.h"
 #include "ui/base/ui_base_paths.h"
 #else
 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 #endif
 
 #if defined(TOOLKIT_VIEWS)
 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
@@ skipping 2293 matching lines @@
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnablePotentiallyAnnoyingSecurityFeatures)) {
     web_prefs->disable_reading_from_canvas = true;
     web_prefs->strict_mixed_content_checking = true;
     web_prefs->strict_powerful_feature_restrictions = true;
   }
 
   web_prefs->data_saver_enabled = GetDataSaverEnabledPref(prefs);
 
+#if defined(OS_ANDROID)
+  content::WebContents* contents =
+      content::WebContents::FromRenderViewHost(rvh);
+  if (contents) {
+    TabAndroid* tab_android = TabAndroid::FromWebContents(contents);
+    if (tab_android) {
+      web_prefs->media_playback_gesture_whitelist_scope =
+          tab_android->GetWebappManifestScope();
+    }
+  }
+#endif  // defined(OS_ANDROID)
+
   for (size_t i = 0; i < extra_parts_.size(); ++i)
     extra_parts_[i]->OverrideWebkitPrefs(rvh, web_prefs);
 }
 
 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
     BrowserURLHandler* handler) {
   for (size_t i = 0; i < extra_parts_.size(); ++i)
     extra_parts_[i]->BrowserURLHandlerCreated(handler);
 
   // about: handler. Must come before chrome: handler, since it will
@@ skipping 840 matching lines @@
     RedirectNonUINonIOBrowserThreadsToTaskScheduler() {
   return variations::GetVariationParamValue(
              "BrowserScheduler", "RedirectNonUINonIOBrowserThreads") == "true";
 }
 
 // static
 void ChromeContentBrowserClient::SetDefaultQuotaSettingsForTesting(
     const storage::QuotaSettings* settings) {
   g_default_quota_settings = settings;
 }