[catapult] - Copy Telemetry's gsutilz over to third_party.

third_party/gsutil/third_party/protorpc/experimental/javascript/util.js

Index: third_party/gsutil/third_party/protorpc/experimental/javascript/util.js
diff --git a/third_party/gsutil/third_party/protorpc/experimental/javascript/util.js b/third_party/gsutil/third_party/protorpc/experimental/javascript/util.js
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index 0000000000000000000000000000000000000000..3f479c13677fdc12bc36f3df4479b016c196ce10
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+// Copyright 2011 Google Inc.
+//
+// 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.
+
+/**
+ * @fileoverview Utilities for ProtoRpc.
+ */
+
+goog.provide('ProtoRpc.Util.Error');
+
+goog.require('goog.debug.Error');
+goog.require('goog.string');
+
+
+/**
+ * Base class for all ProtoRpc errors.
+ * @param {string} pattern The pattern to use for the error message.
+ * @param {!Array.<*>} args The items to substitue into the pattern.
+ * @constructor
+ * @extends {goog.debug.Error}
+ */
+ProtoRpc.Util.Error = function(pattern, args) {
+  args.unshift(pattern);
+  goog.base(this, goog.string.subs.apply(null, args));
+};
+goog.inherits(ProtoRpc.Util.Error, goog.debug.Error);
+
+
+/**
+ * Convert underscores and dashes to camelCase.
+ * 
+ * @param {string} str The string to camel case.
+ * @param {string=} prefix An optional prefix.
+ */
+ProtoRpc.Util.toCamelCase = function(str, prefix) {
+  if (prefix) {
+    str = [prefix, '_', str].join('');
+  }
+  return str.replace(/[_|-]([a-z])/g, function(all, match) {
+    return match.toUpperCase();
+  });
+};