Remove dead code left over from old-style WebCompositor initialization path.

webkit/glue/webpreferences.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 "webkit/glue/webpreferences.h"
 
 #include <unicode/uchar.h>
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 258 matching lines @@
 
   // Display the current compositor tree as overlay if requested on
   // the command line
   settings->setShowPlatformLayerTree(show_composited_layer_tree);
 
   settings->setThreadedAnimationEnabled(threaded_animation_enabled);
 
   // Enable gpu-accelerated compositing if requested on the command line.
   settings->setAcceleratedCompositingEnabled(accelerated_compositing_enabled);
 
-#ifndef WEBCOMPOSITOR_HAS_INITIALIZE
-  settings->setUseThreadedCompositor(threaded_compositing_enabled);
-#endif
-
   // Always enter compositing if requested on the command line.
   settings->setForceCompositingMode(force_compositing_mode);
 
   // Enable composite to offscreen texture if requested on the command line.
   settings->setCompositeToTextureEnabled(composite_to_texture_enabled);
 
   // Enable compositing for fixed position elements if requested
   // on the command line.
   settings->setAcceleratedCompositingForFixedPositionEnabled(
       fixed_position_compositing_enabled);
@@ skipping 59 matching lines @@
       hixie76_websocket_protocol_enabled);
   settings->setVisualWordMovementEnabled(visual_word_movement_enabled);
 
   // Enable per-tile painting if requested on the command line.
   settings->setPerTilePaintingEnabled(per_tile_painting_enabled);
 
   settings->setExperimentalCSSRegionsEnabled(css_regions_enabled);
 
   WebNetworkStateNotifier::setOnLine(is_online);
 }