Set autoplay gesture override experiment based on finch trial group.

content/renderer/render_view_impl.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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 1098 matching lines @@
   settings->setClobberUserAgentInitialScaleQuirk(
       prefs.clobber_user_agent_initial_scale_quirk);
   settings->setIgnoreMainFrameOverflowHiddenQuirk(
       prefs.ignore_main_frame_overflow_hidden_quirk);
   settings->setReportScreenSizeInPhysicalPixelsQuirk(
       prefs.report_screen_size_in_physical_pixels_quirk);
   settings->setPreferHiddenVolumeControls(true);
   settings->setMainFrameClipsContent(!prefs.record_whole_document);
   settings->setShrinksViewportContentToFit(true);
   settings->setUseMobileViewportStyle(true);
+  settings->setAutoplayExperimentMode(
+      blink::WebString::fromUTF8(prefs.autoplay_experiment_mode));
 #endif
 
   WebNetworkStateNotifier::setOnLine(prefs.is_online);
   WebNetworkStateNotifier::setWebConnectionType(
       NetConnectionTypeToWebConnectionType(prefs.connection_type));
 
   settings->setPinchOverlayScrollbarThickness(
       prefs.pinch_overlay_scrollbar_thickness);
   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
 
@@ skipping 2654 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content