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

tools/cc-frame-viewer/src/model/layer_tree_impl.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('base.bbox2');
-base.require('model.constants');
-base.require('model.layer_impl');
-
-base.exportTo('ccfv.model', function() {
-
-  /**
-   * Represents a cc::LayerTreeImpl
-   *
-   * @constructor
-   */
-  function LayerTreeImpl(lthi, which_tree) {
-    this.lthi = lthi;
-    this.which_tree = which_tree;
-    this.tiles_ = [];
-    this.allLayers = [];
-    this.tileBBox_ = undefined;
-  };
-
-  LayerTreeImpl.prototype = {
-    setTilesDirty: function() {
-      this.tiles_ = undefined;
-      this.tileBBox_ = undefined;
-    },
-
-    get tiles() {
-      if (!this.tiles_)
-        this.tiles_ = this.lthi.getTilesForTree(this.which_tree);
-      return this.tiles_;
-    },
-
-    getOrCreateLayerImpl: function(layerID) {
-      var layerHistory = this.lthi.history.getOrCreateLayerImplHistory(layerID);
-      var layer = layerHistory.getOrCreateLayerImplForLTHI(this);
-      this.allLayers.push(layer);
-      return layer;
-    },
-
-    get tileBBox() {
-      if (!this.tileBBox_) {
-        var bbox = new base.BBox2();
-        for (var i = 0; i < this.tiles.length; i++) {
-          var tile = this.tiles[i];
-          var priority = tile.priority[this.which_tree];
-          if (!priority.current_screen_quad)
-            continue;
-          bbox.addQuad(priority.current_screen_quad);
-        }
-        this.tileBBox_ = bbox;
-      }
-      return this.tileBBox_;
-    },
-
-  };
-
-  return {
-    LayerTreeImpl: LayerTreeImpl
-  }
-});
-