setMediaPlaybackRequiresUserGesture 2555 android_webview/javatests/src/org/chromium/android_webview/test/AwSettingsTest.java                 awSettings.setMediaPlaybackRequiresUserGesture(requiredUserGesture);
setMediaPlaybackRequiresUserGesture  324 content/renderer/web_preferences.cc   settings->setMediaPlaybackRequiresUserGesture(