Reland of name kDisableGestureRequirementForMediaPlayback and make it a test-only flag.

chrome/renderer/chrome_content_renderer_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/renderer/chrome_content_renderer_client.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 79 matching lines @@
 #include "content/public/common/service_names.mojom.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/renderer/plugin_instance_throttler.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_frame_visitor.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
 #include "extensions/common/constants.h"
 #include "extensions/features/features.h"
 #include "ipc/ipc_sync_channel.h"
+#include "media/base/media_switches.h"
 #include "media/media_features.h"
 #include "net/base/net_errors.h"
 #include "ppapi/c/private/ppb_pdf.h"
 #include "ppapi/features/features.h"
 #include "ppapi/shared_impl/ppapi_switches.h"
 #include "printing/features/features.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "third_party/WebKit/public/platform/URLConversion.h"
 #include "third_party/WebKit/public/platform/WebCache.h"
 #include "third_party/WebKit/public/platform/WebCachePolicy.h"
@@ skipping 555 matching lines @@
   // Don't allow autoplay/autoload of media resources in a RenderFrame that is
   // hidden and has never played any media before.  We want to allow future
   // loads even when hidden to allow playlist-like functionality.
   //
   // NOTE: This is also used to defer media loading for prerender.
   // NOTE: Switch can be used to allow autoplay, unless frame is prerendered.
   //
   // TODO(dalecurtis): Include an idle check too.  http://crbug.com/509135
   if ((render_frame->IsHidden() && !has_played_media_before &&
        !base::CommandLine::ForCurrentProcess()->HasSwitch(
-           switches::kDisableGestureRequirementForMediaPlayback)) ||
+           switches::kIgnoreAutoplayRestrictionsForTests)) ||
       prerender::PrerenderHelper::IsPrerendering(render_frame)) {
     new MediaLoadDeferrer(render_frame, closure);
     return;
   }
 
   closure.Run();
 }
 
 #if BUILDFLAG(ENABLE_PLUGINS)
 WebPlugin* ChromeContentRendererClient::CreatePlugin(
@@ skipping 865 matching lines @@
 
   RecordYouTubeRewriteUMA(result);
   return corrected_url.ReplaceComponents(r);
 }
 
 std::unique_ptr<base::TaskScheduler::InitParams>
 ChromeContentRendererClient::GetTaskSchedulerInitParams() {
   return task_scheduler_util::
       GetRendererTaskSchedulerInitParamsFromCommandLine();
 }