[not for review - epic CL] Adding Elastic+Momentum+Layered scrolling to views::ScrollView

cc/blink/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 "cc/blink/web_layer_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 210 matching lines @@
   layer_->SetScrollOffset(gfx::ScrollOffset(position.x, position.y));
 }
 
 blink::WebDoublePoint WebLayerImpl::scrollPositionDouble() const {
   return blink::WebDoublePoint(layer_->scroll_offset().x(),
                                layer_->scroll_offset().y());
 }
 
 void WebLayerImpl::setScrollClipLayer(WebLayer* clip_layer) {
   if (!clip_layer) {
-    layer_->SetScrollClipLayerId(Layer::INVALID_ID);
+    layer_->SetScrollClipAndCanOverscroll(Layer::INVALID_ID, false);
     return;
   }
-  layer_->SetScrollClipLayerId(clip_layer->id());
+  layer_->SetScrollClipAndCanOverscroll(clip_layer->id(), false);
 }
 
 bool WebLayerImpl::scrollable() const {
   return layer_->scrollable();
 }
 
 void WebLayerImpl::setUserScrollable(bool horizontal, bool vertical) {
   layer_->SetUserScrollable(horizontal, vertical);
 }
 
@@ skipping 223 matching lines @@
 
 void WebLayerImpl::SetContentsOpaqueIsFixed(bool fixed) {
   contents_opaque_is_fixed_ = fixed;
 }
 
 void WebLayerImpl::setHasWillChangeTransformHint(bool has_will_change) {
   layer_->SetHasWillChangeTransformHint(has_will_change);
 }
 
 }  // namespace cc_blink