Enabling autoplay and fullscreen for downloaded media

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 2641 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)
-  if (base::FeatureList::IsEnabled(
-          features::kAllowAutoplayUnmutedInWebappManifestScope)) {
-    content::WebContents* contents =
-        content::WebContents::FromRenderViewHost(rvh);
-    if (contents) {
-      TabAndroid* tab_android = TabAndroid::FromWebContents(contents);
-      if (tab_android) {
+  content::WebContents* contents =
+      content::WebContents::FromRenderViewHost(rvh);
+  if (contents) {
+    TabAndroid* tab_android = TabAndroid::FromWebContents(contents);
+    if (tab_android) {
+      web_prefs->embedded_media_experience_enabled =
+          tab_android->ShouldEnableEmbeddedMediaExperience();
+
+      if (base::FeatureList::IsEnabled(
+              features::kAllowAutoplayUnmutedInWebappManifestScope)) {
         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);
 }
@@ skipping 862 matching lines @@
     RedirectNonUINonIOBrowserThreadsToTaskScheduler() {
   return variations::GetVariationParamValue(
              "BrowserScheduler", "RedirectNonUINonIOBrowserThreads") == "true";
 }
 
 // static
 void ChromeContentBrowserClient::SetDefaultQuotaSettingsForTesting(
     const storage::QuotaSettings* settings) {
   g_default_quota_settings = settings;
 }