Add --enable-true-color-rendering flag

third_party/WebKit/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 58 matching lines @@
 }
 
 void WebRuntimeFeatures::enableCanvas2dImageChromium(bool enable) {
   RuntimeEnabledFeatures::setCanvas2dImageChromiumEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableColorCorrectRendering(bool enable) {
   RuntimeEnabledFeatures::setColorCorrectRenderingEnabled(enable);
 }
 
+void WebRuntimeFeatures::enableTrueColorRendering(bool enable) {
+  RuntimeEnabledFeatures::setTrueColorRenderingEnabled(enable);
+}
+
 void WebRuntimeFeatures::enableCompositedSelectionUpdate(bool enable) {
   RuntimeEnabledFeatures::setCompositedSelectionUpdateEnabled(enable);
 }
 
 bool WebRuntimeFeatures::isCompositedSelectionUpdateEnabled() {
   return RuntimeEnabledFeatures::compositedSelectionUpdateEnabled();
 }
 
 void WebRuntimeFeatures::enableDatabase(bool enable) {
   RuntimeEnabledFeatures::setDatabaseEnabled(enable);
@@ skipping 259 matching lines @@
     bool enable) {
   RuntimeEnabledFeatures::setSendBeaconThrowForBlobWithNonSimpleTypeEnabled(
       enable);
 }
 
 void WebRuntimeFeatures::enableBackgroundVideoTrackOptimization(bool enable) {
   RuntimeEnabledFeatures::setBackgroundVideoTrackOptimizationEnabled(enable);
 }
 
 }  // namespace blink