Plugin Power Saver: Fix poster-click flaky test.

content/browser/renderer_host/render_process_host_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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1249 matching lines @@
     switches::kEnableLinkDisambiguationPopup,
     switches::kEnableLowResTiling,
     switches::kEnableInbandTextTracks,
     switches::kEnableLCDText,
     switches::kEnableLogging,
     switches::kEnableMemoryBenchmarking,
     switches::kEnableNetworkInformation,
     switches::kEnableOverlayFullscreenVideo,
     switches::kEnableOverlayScrollbar,
     switches::kEnablePinch,
+    switches::kEnablePluginPlaceholderTesting,
     switches::kEnablePreciseMemoryInfo,
     switches::kEnablePreferCompositingToLCDText,
     switches::kEnablePushMessagePayload,
     switches::kEnablePushMessagingHasPermission,
     switches::kEnableRendererMojoChannel,
     switches::kEnableSeccompFilterSandbox,
     switches::kEnableSkiaBenchmarking,
     switches::kEnableSlimmingPaint,
     switches::kEnableSmoothScrolling,
     switches::kEnableStaleWhileRevalidate,
@@ skipping 1176 matching lines @@
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 void RenderProcessHostImpl::GetAudioOutputControllers(
     const GetAudioOutputControllersCallback& callback) const {
   audio_renderer_host()->GetOutputControllers(callback);
 }
 
 }  // namespace content