Remove old cc-frame-viewer now that it is upstreamed into trace_viewer

tools/cc-frame-viewer/src/layer_tree_impl_view.js

-/* Copyright (c) 2012 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.
- */
-'use strict';
-
-base.require('ui');
-base.require('ui.list_and_associated_view');
-base.require('layer_impl_view');
-base.requireStylesheet('layer_tree_impl_view');
-base.exportTo('ccfv', function() {
-  var LayerTreeImplView = ui.define('x-layer-tree-impl-view');
-  LayerTreeImplView.prototype = {
-    __proto__: HTMLUnknownElement.prototype,
-
-    decorate: function() {
-      this.layer_tree_impl_ = undefined;
-      this.layerListEl_ = new ui.ListAndAssociatedView();
-      this.layerListEl_.view = new ccfv.LayerImplView();
-      this.layerListEl_.viewProperty = 'layerImpl';
-      this.layerListEl_.listProperty = 'title';
-
-      this.headerEl_ = ui.createSpan('')
-      this.appendChild(this.headerEl_);
-      this.appendChild(this.layerListEl_);
-    },
-
-    set header(text) {
-      this.headerEl_.textContent = text;
-    },
-
-    set layerTreeImpl(layerTreeImpl) {
-      this.layerTreeImpl_ = layerTreeImpl;
-      this.updateChildren_();
-    },
-
-    updateChildren_: function() {
-      this.layerListEl_.list = this.layerTreeImpl_.allLayers;
-    }
-  };
-
-  return {
-    LayerTreeImplView: LayerTreeImplView,
-  }
-});
-