Revert of Add --root-layer-scrolls.

chrome/browser/chromeos/login/chrome_restart_request.cc

 // Copyright 2013 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/chromeos/login/chrome_restart_request.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 114 matching lines @@
     ::switches::kGpuSandboxFailuresFatal,
     ::switches::kGpuSandboxStartEarly,
     ::switches::kIgnoreResolutionLimitsForAcceleratedVideoDecode,
     ::switches::kNoSandbox,
     ::switches::kNumRasterThreads,
     ::switches::kPpapiFlashArgs,
     ::switches::kPpapiFlashPath,
     ::switches::kPpapiFlashVersion,
     ::switches::kPpapiInProcess,
     ::switches::kRendererStartupDialog,
-    ::switches::kRootLayerScrolls,
     ::switches::kEnableShareGroupAsyncTextureUpload,
     ::switches::kTabCaptureUpscaleQuality,
     ::switches::kTabCaptureDownscaleQuality,
 #if defined(USE_XI2_MT) || defined(USE_OZONE)
     ::switches::kTouchCalibration,
 #endif
     ::switches::kTouchDevices,
     ::switches::kTouchEvents,
     ::switches::kUIDisableThreadedCompositing,
     ::switches::kUIPrioritizeInGpuProcess,
@@ skipping 231 matching lines @@
     // Relaunch chrome without session manager on dev box.
     ReLaunch(command_line);
     return;
   }
 
   // ChromeRestartRequest deletes itself after request sent to session manager.
   (new ChromeRestartRequest(command_line))->Start();
 }
 
 }  // namespace chromeos