Remove a bunch of fixed position dead code.

sky/viewer/cc/web_layer_impl.cc

 // Copyright 2014 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 "sky/viewer/cc/web_layer_impl.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event_impl.h"
 #include "base/lazy_instance.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_checker.h"
 #include "cc/animation/animation.h"
 #include "cc/base/region.h"
 #include "cc/base/switches.h"
 #include "sky/viewer/cc/web_animation_impl.h"
 #include "sky/viewer/cc/web_blend_mode.h"
 #include "sky/viewer/cc/web_filter_operations_impl.h"
 #include "sky/viewer/cc/web_to_cc_animation_delegate_adapter.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_position_constraint.h"
 #include "cc/trees/layer_tree_host.h"
 #include "sky/engine/public/platform/WebFloatPoint.h"
 #include "sky/engine/public/platform/WebFloatRect.h"
 #include "sky/engine/public/platform/WebGraphicsLayerDebugInfo.h"
 #include "sky/engine/public/platform/WebLayerClient.h"
-#include "sky/engine/public/platform/WebLayerPositionConstraint.h"
 #include "sky/engine/public/platform/WebLayerScrollClient.h"
 #include "sky/engine/public/platform/WebSize.h"
 #include "third_party/skia/include/utils/SkMatrix44.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 
 using cc::Animation;
 using cc::Layer;
 using blink::WebLayer;
 using blink::WebFloatPoint;
 using blink::WebVector;
@@ skipping 344 matching lines @@
 }
 
 void WebLayerImpl::setIsContainerForFixedPositionLayers(bool enable) {
   layer_->SetIsContainerForFixedPositionLayers(enable);
 }
 
 bool WebLayerImpl::isContainerForFixedPositionLayers() const {
   return layer_->IsContainerForFixedPositionLayers();
 }
 
-static blink::WebLayerPositionConstraint ToWebLayerPositionConstraint(
-    const cc::LayerPositionConstraint& constraint) {
-  blink::WebLayerPositionConstraint web_constraint;
-  web_constraint.isFixedPosition = constraint.is_fixed_position();
-  web_constraint.isFixedToRightEdge = constraint.is_fixed_to_right_edge();
-  web_constraint.isFixedToBottomEdge = constraint.is_fixed_to_bottom_edge();
-  return web_constraint;
-}
-
-static cc::LayerPositionConstraint ToLayerPositionConstraint(
-    const blink::WebLayerPositionConstraint& web_constraint) {
-  cc::LayerPositionConstraint constraint;
-  constraint.set_is_fixed_position(web_constraint.isFixedPosition);
-  constraint.set_is_fixed_to_right_edge(web_constraint.isFixedToRightEdge);
-  constraint.set_is_fixed_to_bottom_edge(web_constraint.isFixedToBottomEdge);
-  return constraint;
-}
-
-void WebLayerImpl::setPositionConstraint(
-    const blink::WebLayerPositionConstraint& constraint) {
-  layer_->SetPositionConstraint(ToLayerPositionConstraint(constraint));
-}
-
-blink::WebLayerPositionConstraint WebLayerImpl::positionConstraint() const {
-  return ToWebLayerPositionConstraint(layer_->position_constraint());
-}
-
 void WebLayerImpl::setScrollClient(blink::WebLayerScrollClient* scroll_client) {
   if (scroll_client) {
     layer_->set_did_scroll_callback(
         base::Bind(&blink::WebLayerScrollClient::didScroll,
                    base::Unretained(scroll_client)));
   } else {
     layer_->set_did_scroll_callback(base::Closure());
   }
 }
 
@@ skipping 48 matching lines @@
   if (parent)
     clip_parent = static_cast<WebLayerImpl*>(parent)->layer();
   layer_->SetClipParent(clip_parent);
 }
 
 Layer* WebLayerImpl::layer() const {
   return layer_.get();
 }
 
 }  // namespace sky_viewer_cc