Fix Polymer licensing issues

third_party/web-animations-js/sources/src/number-handler.js

-// Copyright 2014 Google Inc. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-//   You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//   See the License for the specific language governing permissions and
-// limitations under the License.
-
-(function(scope, testing) {
-
-  function numberToString(x) {
-    return x.toFixed(3).replace('.000', '');
-  }
-
-  function clamp(min, max, x) {
-    return Math.min(max, Math.max(min, x));
-  }
-
-  function parseNumber(string) {
-    if (/^\s*[-+]?(\d*\.)?\d+\s*$/.test(string))
-      return Number(string);
-  }
-
-  function mergeNumbers(left, right) {
-    return [left, right, numberToString];
-  }
-
-  // FIXME: This should probably go in it's own handler.
-  function mergeFlex(left, right) {
-    if (left == 0)
-      return;
-    return clampedMergeNumbers(0, Infinity)(left, right);
-  }
-
-  function mergePositiveIntegers(left, right) {
-    return [left, right, function(x) {
-      return Math.round(clamp(1, Infinity, x));
-    }];
-  }
-
-  function clampedMergeNumbers(min, max) {
-    return function(left, right) {
-      return [left, right, function(x) {
-        return numberToString(clamp(min, max, x));
-      }];
-    };
-  }
-
-  function round(left, right) {
-    return [left, right, Math.round];
-  }
-
-  scope.clamp = clamp;
-  scope.addPropertiesHandler(parseNumber, clampedMergeNumbers(0, Infinity), ['border-image-width', 'line-height']);
-  scope.addPropertiesHandler(parseNumber, clampedMergeNumbers(0, 1), ['opacity', 'shape-image-threshold']);
-  scope.addPropertiesHandler(parseNumber, clampedMergeNumbers(0.01, Infinity), ['zoom']);
-  scope.addPropertiesHandler(parseNumber, mergeFlex, ['flex-grow', 'flex-shrink']);
-  scope.addPropertiesHandler(parseNumber, mergeNumbers, ['zoom']);
-  scope.addPropertiesHandler(parseNumber, mergePositiveIntegers, ['orphans', 'widows']);
-  scope.addPropertiesHandler(parseNumber, round, ['z-index']);
-
-  scope.parseNumber = parseNumber;
-  scope.mergeNumbers = mergeNumbers;
-  scope.numberToString = numberToString;
-
-})(webAnimations1, webAnimationsTesting);