Remove unused include and always-true compile-time check

webkit/glue/webpreferences.cc

Index: webkit/glue/webpreferences.cc
diff --git a/webkit/glue/webpreferences.cc b/webkit/glue/webpreferences.cc
index 34e9b4d1a9d56b0910acad8139de5f0504ee06de..633502350198c21a58644463737b3edcb97676a8 100644
--- a/webkit/glue/webpreferences.cc
+++ b/webkit/glue/webpreferences.cc
@@ -106,11 +106,6 @@ WebPreferences::WebPreferences()
       css_variables_enabled(false),
       device_supports_touch(false),
       device_supports_mouse(true),
-#if !defined(WEBCOMPOSITOR_OWNS_SETTINGS)
-      threaded_animation_enabled(false),
-      per_tile_painting_enabled(false),
-      partial_swap_enabled(false),
-#endif
       default_tile_width(256),
       default_tile_height(256),
       max_untiled_layer_width(512),
@@ -397,16 +392,6 @@ void WebPreferences::Apply(WebView* web_view) const {
   settings->setDeviceSupportsTouch(device_supports_touch);
   settings->setDeviceSupportsMouse(device_supports_mouse);
 
-#if !defined(WEBCOMPOSITOR_OWNS_SETTINGS)
-  settings->setThreadedAnimationEnabled(threaded_animation_enabled);
-
-  // Enable per-tile painting if requested on the command line.
-  settings->setPerTilePaintingEnabled(per_tile_painting_enabled);
-
-  // Enable partial swaps if specified form the command line.
-  settings->setPartialSwapEnabled(partial_swap_enabled);
-#endif
-
   settings->setDefaultTileSize(
       WebSize(default_tile_width, default_tile_height));
   settings->setMaxUntiledLayerSize(