Revert 138212 - Implement High Contrast mode for Chrome OS.

ui/compositor/layer.cc

Index: ui/compositor/layer.cc
===================================================================
--- ui/compositor/layer.cc	(revision 138238)
+++ ui/compositor/layer.cc	(working copy)
@@ -52,7 +52,6 @@
       fills_bounds_opaquely_(true),
       layer_updated_externally_(false),
       opacity_(1.0f),
-      inverted_(false),
       delegate_(NULL),
       scale_canvas_(true),
       device_scale_factor_(1.0f) {
@@ -67,7 +66,6 @@
       fills_bounds_opaquely_(true),
       layer_updated_externally_(false),
       opacity_(1.0f),
-      inverted_(false),
       delegate_(NULL),
       scale_canvas_(true),
       device_scale_factor_(1.0f) {
@@ -196,7 +194,8 @@
   GetAnimator()->SetOpacity(opacity);
 }
 
-void Layer::SetBackgroundBlur(int blur_radius) {
+void Layer::SetBackgroundBlur(int blur_radius)
+{
   WebKit::WebFilterOperations filters;
   if (blur_radius) {
 #if WEBKIT_HAS_NEW_WEBFILTEROPERATION_API
@@ -210,18 +209,6 @@
   background_blur_radius_ = blur_radius;
 }
 
-void Layer::SetInverted(bool inverted) {
-  WebKit::WebFilterOperations filters;
-  if (inverted) {
-    filters.append(WebKit::WebBasicComponentTransferFilterOperation(
-        WebKit::WebBasicComponentTransferFilterOperation::
-            BasicComponentTransferFilterTypeInvert, 1.0));
-  }
-  web_layer_.setFilters(filters);
-
-  inverted_ = inverted;
-}
-
 float Layer::GetTargetOpacity() const {
   if (animator_.get() && animator_->IsAnimatingProperty(
       LayerAnimationElement::OPACITY))