Remove some platform specific stuff from views.

ui/file_manager/file_manager/common/js/error_util.js

Index: ui/file_manager/file_manager/common/js/error_util.js
diff --git a/ui/file_manager/file_manager/common/js/error_util.js b/ui/file_manager/file_manager/common/js/error_util.js
deleted file mode 100644
index 15cbc6ff08e031b85d552a3f41dc1dca3b1e04a1..0000000000000000000000000000000000000000
--- a/ui/file_manager/file_manager/common/js/error_util.js
+++ /dev/null
@@ -1,69 +0,0 @@
-// Copyright 2014 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';
-
-/**
- * This variable is checked in SelectFileDialogExtensionBrowserTest.
- * @type {number}
- */
-window.JSErrorCount = 0;
-
-/**
- * Count uncaught exceptions.
- */
-window.onerror = function() { window.JSErrorCount++; };
-
-// Overrides console.error() to count errors.
-/**
- * @param {...*} var_args Message to be logged.
- */
-console.error = (function() {
-  var orig = console.error;
-  return function() {
-    window.JSErrorCount++;
-    return orig.apply(this, arguments);
-  };
-})();
-
-// Overrides console.assert() to count errors.
-/**
- * @param {boolean} condition If false, log a message and stack trace.
- * @param {...*} var_args Objects to.
- */
-console.assert = (function() {
-  var orig = console.assert;
-  return function(condition) {
-    if (!condition)
-      window.JSErrorCount++;
-    return orig.apply(this, arguments);
-  };
-})();
-
-/**
- * Wraps the function to use it as a callback.
- * This does:
- *  - Capture the stack trace in case of error.
- *  - Bind this object
- *
- * @param {Object} thisObject Object to be used as this.
- * @return {Function} Wrapped function.
- */
-Function.prototype.wrap = function(thisObject) {
-  var func = this;
-  var liveStack = (new Error('Stack trace before async call')).stack;
-  if (thisObject === undefined)
-    thisObject = null;
-
-  return function wrappedCallback() {
-    try {
-      return func.apply(thisObject, arguments);
-    } catch (e) {
-      console.error('Exception happens in callback.', liveStack);
-
-      window.JSErrorCount++;
-      throw e;
-    }
-  }
-};