Add more WebRuntimeFeatures plumbing for fast text autosizing

Source/web/WebRuntimeFeatures.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 126 matching lines @@
 void WebRuntimeFeatures::enableExperimentalCanvasFeatures(bool enable)
 {
     RuntimeEnabledFeatures::setExperimentalCanvasFeaturesEnabled(enable);
 }
 
 bool WebRuntimeFeatures::isExperimentalCanvasFeaturesEnabled()
 {
     return RuntimeEnabledFeatures::experimentalCanvasFeaturesEnabled();
 }
 
+void WebRuntimeFeatures::enableFastTextAutosizing(bool enable)
+{
+    RuntimeEnabledFeatures::setFastTextAutosizingEnabled(enable);
+}
+
+bool WebRuntimeFeatures::isFastTextAutosizingEnabled()
+{
+    return RuntimeEnabledFeatures::fastTextAutosizingEnabled();
+}
+
 void WebRuntimeFeatures::enableFileSystem(bool enable)
 {
     RuntimeEnabledFeatures::setFileSystemEnabled(enable);
 }
 
 bool WebRuntimeFeatures::isFileSystemEnabled()
 {
     return RuntimeEnabledFeatures::fileSystemEnabled();
 }
 
@@ skipping 243 matching lines @@
 {
     RuntimeEnabledFeatures::setInputModeAttributeEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableOverlayFullscreenVideo(bool enable)
 {
     RuntimeEnabledFeatures::setOverlayFullscreenVideoEnabled(enable);
 }
 
 } // namespace WebKit