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

tools/cc-frame-viewer/src/model.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('model.layer_tree_host_impl');
-
-base.exportTo('ccfv', function() {
-
-  var constants = ccfv.model.constants;
-
-  function unquoteIfNeeded(val) {
-    if (typeof val !== 'string')
-      return val;
-    if (val[0] == '{' && val[val.length - 1] == '}') {
-      return JSON.parse(val);
-    } else {
-      return val;
-    }
-  }
-
-  /**
-   * A generic container for data from a cc trace.
-   *
-   * @constructor
-   */
-  function Model() {
-    this.lthiHistories = {};
-  }
-  Model.prototype = {
-    getOrCreateLTHIHistory: function(id) {
-      if (this.lthiHistories[id] === undefined)
-        this.lthiHistories[id] = new ccfv.model.LayerTreeHostImplHistory(id);
-      return this.lthiHistories[id];
-    },
-
-    initFromTraceEvents: function(trace) {
-      var importer = new TraceImporter(this);
-      importer.importTrace(trace);
-    },
-
-    initFromFrameData: function(frameData) {
-      var importer = new TraceImporter(this);
-      importer.importFrameData(frameData);
-    }
-  };
-
-  function TraceImporter(model) {
-    this.model = model;
-  };
-
-  TraceImporter.prototype = {
-    addWarning: function(msg) {},
-
-    importTrace: function(trace) {
-      var events = trace.traceEvents;
-      for (var i = 0; i < events.length; i++) {
-        var event = events[i];
-        if (event.name == 'Frame') {
-          if (event.args.frame === 'undefined') {
-            throw new Error(
-                'Expected Frame to have args.frame of type string.');
-          }
-          var frameData = unquoteIfNeeded(event.args.frame);
-          this.importFrameData(frameData);
-        }
-      }
-    },
-
-    importFrameData: function(frameData) {
-
-      var lthiID;
-      if (frameData.lthi_id === undefined) {
-        // Old versions used compositor_instance instead of lthiID.
-        if (frameData.compositor_instance === undefined)
-          throw new Error('Expected Frame to have a lthi_id field.');
-        lthiID = frameData.compositor_instance;
-      } else {
-        lthiID = frameData.lthi_id;
-      }
-
-      var lthiHistory = this.model.getOrCreateLTHIHistory(lthiID);
-
-      var lthi = lthiHistory.createNewLTHI();
-
-      // Basic properties.
-      if (frameData.device_viewport_size === undefined)
-        throw new Error('Expected device_viewport');
-      lthi.deviceViewportSize = frameData.device_viewport_size;
-
-      // Tiles.
-      if (frameData.tiles === undefined)
-        throw new Error('Expected tiles');
-      frameData.tiles.forEach(function(tile) {
-        this.handleFrameTile(lthi, tile);
-      }, this);
-
-      // Layers
-      var activeTreeLayers = frameData.active_tree || [];
-      activeTreeLayers.forEach(function(layerImpl) {
-        this.handleLayerImpl(lthi, constants.ACTIVE_TREE, layerImpl);
-      }, this);
-    },
-
-    handleFrameTile: function(lthi, tileData) {
-      var tileID;
-      if (!tileData.id) {
-        // Some old files dont have id fields. Use picture_pile for backup id.
-        if (!tileData.picture_pile)
-          throw new Error('Tiles must have id');
-        tileID = tileData.picture_pile;
-      } else {
-        tileID = tileData.id;
-      }
-      var tile = lthi.getOrCreateTile(tileID);
-
-      tile.history.layerID = tileData.layer_id;
-      tile.history.picturePile = tileData.picture_pile;
-      tile.history.contentsScale = tileData.contents_scale;
-
-      tile.priority[0] = tileData.priority[0];
-      tile.priority[1] = tileData.priority[1];
-      tile.managedState = tileData.managed_state;
-    },
-
-    handleLayerImpl: function(lthi, whichTree, layerImplData) {
-      var layerID;
-      if (!layerImplData.id)
-        throw new Error('LayerImpls must have id');
-      layerID = layerImplData.id;
-
-      var layerImpl = lthi.getTree(whichTree).getOrCreateLayerImpl(layerID);
-      for (var k in layerImplData)
-        layerImpl.args[k] = layerImplData[k];
-    }
-  };
-
-
-  return {
-    Model: Model,
-  }
-});
-