catapult @ master.

lighthouse-core/third_party/traceviewer-js/base/base.js

@@ -95,14 +95,14 @@ global.tr = (function() {
     panicElement = document.createElement('div');
     panicElement.style.webkitFlex = '1 1 auto';
     panicElement.style.overflow = 'auto';
-    Polymer.dom(panicOverlay).appendChild(panicElement);
+    panicOverlay.appendChild(panicElement);
 
     if (!document.body) {
       setTimeout(function() {
-        Polymer.dom(document.body).appendChild(panicOverlay);
+        document.body.appendChild(panicOverlay);
       }, 150);
     } else {
-      Polymer.dom(document.body).appendChild(panicOverlay);
+      document.body.appendChild(panicOverlay);
     }
   }
 
@@ -118,14 +118,12 @@ global.tr = (function() {
 
     showPanicElementIfNeeded();
     var panicMessageEl = document.createElement('div');
-    Polymer.dom(panicMessageEl).innerHTML =
+    panicMessageEl.innerHTML =
         '<h2 id="message"></h2>' +
         '<pre id="details"></pre>';
-    Polymer.dom(Polymer.dom(panicMessageEl).querySelector('#message')).
-        textContent = panicTitle;
-    Polymer.dom(Polymer.dom(panicMessageEl).querySelector('#details')).
-        textContent = panicDetails;
-    Polymer.dom(panicElement).appendChild(panicMessageEl);
+    panicMessageEl.querySelector('#message').textContent = panicTitle;
+    panicMessageEl.querySelector('#details').textContent = panicDetails;
+    panicElement.appendChild(panicMessageEl);
 
     rawPanicMessages.push({
       title: panicTitle,

lighthouse-core/third_party/traceviewer-js/base/color_scheme.js

@@ -55,6 +55,7 @@ global.tr.exportTo('tr.b', function() {
     thread_state_sleeping: new tr.b.Color(240, 240, 240),
     thread_state_unknown: new tr.b.Color(199, 155, 125),
 
+    background_memory_dump: new tr.b.Color(0, 180, 180),
     light_memory_dump: new tr.b.Color(0, 0, 180),
     detailed_memory_dump: new tr.b.Color(180, 0, 180),
 

lighthouse-core/third_party/traceviewer-js/base/extension_registry_type_based.js

@@ -4,9 +4,9 @@ Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 **/
 
-require("./extension_registry_base.js");
-require("./event.js");
 require("./category_util.js");
+require("./event.js");
+require("./extension_registry_base.js");
 
 'use strict';
 
@@ -23,8 +23,8 @@ global.tr.exportTo('tr.b', function() {
 
     registry.registeredTypeInfos_ = [];
 
-    registry.categoryPartToTypeInfoMap_ = {};
-    registry.typeNameToTypeInfoMap_ = {};
+    registry.categoryPartToTypeInfoMap_ = new Map();
+    registry.typeNameToTypeInfoMap_ = new Map();
 
     registry.register = function(constructor,
                                  metadata) {
@@ -54,11 +54,11 @@ global.tr.exportTo('tr.b', function() {
 
       // Sanity checks...
       typeInfo.typeNames.forEach(function(typeName) {
-        if (registry.typeNameToTypeInfoMap_[typeName])
+        if (registry.typeNameToTypeInfoMap_.has(typeName))
           throw new Error('typeName ' + typeName + ' already registered');
       });
       typeInfo.categoryParts.forEach(function(categoryPart) {
-        if (registry.categoryPartToTypeInfoMap_[categoryPart]) {
+        if (registry.categoryPartToTypeInfoMap_.has(categoryPart)) {
           throw new Error('categoryPart ' + categoryPart +
                           ' already registered');
         }
@@ -70,10 +70,10 @@ global.tr.exportTo('tr.b', function() {
 
       // Actual registration.
       typeInfo.typeNames.forEach(function(typeName) {
-        registry.typeNameToTypeInfoMap_[typeName] = typeInfo;
+        registry.typeNameToTypeInfoMap_.set(typeName, typeInfo);
       });
       typeInfo.categoryParts.forEach(function(categoryPart) {
-        registry.categoryPartToTypeInfoMap_[categoryPart] = typeInfo;
+        registry.categoryPartToTypeInfoMap_.set(categoryPart, typeInfo);
       });
       registry.registeredTypeInfos_.push(typeInfo);
 
@@ -88,8 +88,8 @@ global.tr.exportTo('tr.b', function() {
         categoryPartToTypeInfoMap: registry.categoryPartToTypeInfoMap_
       });
       registry.registeredTypeInfos_ = [];
-      registry.typeNameToTypeInfoMap_ = {};
-      registry.categoryPartToTypeInfoMap_ = {};
+      registry.typeNameToTypeInfoMap_ = new Map();
+      registry.categoryPartToTypeInfoMap_ = new Map();
       var e = new tr.b.Event('registry-changed');
       registry.dispatchEvent(e);
     };
@@ -119,10 +119,10 @@ global.tr.exportTo('tr.b', function() {
       var typeInfo = registry.registeredTypeInfos_[typeInfoIndex];
       registry.registeredTypeInfos_.splice(typeInfoIndex, 1);
       typeInfo.typeNames.forEach(function(typeName) {
-        delete registry.typeNameToTypeInfoMap_[typeName];
+        registry.typeNameToTypeInfoMap_.delete(typeName);
       });
       typeInfo.categoryParts.forEach(function(categoryPart) {
-        delete registry.categoryPartToTypeInfoMap_[categoryPart];
+        registry.categoryPartToTypeInfoMap_.delete(categoryPart);
       });
       var e = new tr.b.Event('registry-changed');
       registry.dispatchEvent(e);
@@ -133,12 +133,14 @@ global.tr.exportTo('tr.b', function() {
         var categoryParts = getCategoryParts(category);
         for (var i = 0; i < categoryParts.length; i++) {
           var categoryPart = categoryParts[i];
-          if (registry.categoryPartToTypeInfoMap_[categoryPart])
-            return registry.categoryPartToTypeInfoMap_[categoryPart];
+          var typeInfo = registry.categoryPartToTypeInfoMap_.get(categoryPart);
+          if (typeInfo !== undefined)
+            return typeInfo;
         }
       }
-      if (registry.typeNameToTypeInfoMap_[typeName])
-        return registry.typeNameToTypeInfoMap_[typeName];
+      var typeInfo = registry.typeNameToTypeInfoMap_.get(typeName);
+      if (typeInfo !== undefined)
+        return typeInfo;
 
       return extensionRegistryOptions.defaultTypeInfo;
     };

lighthouse-core/third_party/traceviewer-js/base/iteration_helpers.js

@@ -177,14 +177,37 @@ global.tr.exportTo('tr.b', function() {
    * value and the map key.
    * @param {*=} opt_this
    */
-  function group(ary, callback, opt_this) {
+  function group(ary, callback, opt_this, opt_arrayConstructor) {
+    var arrayConstructor = opt_arrayConstructor || Array;
     var results = {};
     for (var element of ary) {
       var key = callback.call(opt_this, element);
-      if (key in results)
-        results[key].push(element);
-      else
-        results[key] = [element];
+      if (!(key in results))
+        results[key] = new arrayConstructor();
+      results[key].push(element);
+    }
+    return results;
+  }
+
+  /**
+   * Returns a new Map with items grouped by the return value of the
+   * specified function being called on each item.
+   * @param {!Array.<!*>} ary The array being iterated through
+   * @param {!function(!*):!*} callback The mapping function between the array
+   * value and the map key.
+   * @param {*=} opt_this
+   */
+  function groupIntoMap(ary, callback, opt_this, opt_arrayConstructor) {
+    var arrayConstructor = opt_arrayConstructor || Array;
+    var results = new Map();
+    for (var element of ary) {
+      var key = callback.call(opt_this, element);
+      var items = results.get(key);
+      if (items === undefined) {
+        items = new arrayConstructor();
+        results.set(key, items);
+      }
+      items.push(element);
     }
     return results;
   }
@@ -429,6 +452,7 @@ global.tr.exportTo('tr.b', function() {
     getOnlyElement: getOnlyElement,
     getFirstElement: getFirstElement,
     group: group,
+    groupIntoMap: groupIntoMap,
     iterItems: iterItems,
     mapItems: mapItems,
     filterItems: filterItems,

lighthouse-core/third_party/traceviewer-js/base/range.js

@@ -19,7 +19,7 @@ global.tr.exportTo('tr.b', function() {
     this.isEmpty_ = true;
     this.min_ = undefined;
     this.max_ = undefined;
-  };
+  }
 
   Range.prototype = {
     __proto__: Object.prototype,
@@ -265,6 +265,9 @@ global.tr.exportTo('tr.b', function() {
     return 0;
   };
 
+  Range.PERCENT_RANGE = Range.fromExplicitRange(0, 1);
+  Object.freeze(Range.PERCENT_RANGE);
+
   return {
     Range: Range
   };