Files.app: add mock namespaces and constructors to mock_chrome.js for test.

BUG=175657
TEST=mock Files.app works.
TBR=mtomasz@chromium.org

Review URL: https://codereview.chromium.org/12230013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@182235 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/file_manager/js/mock_chrome.js

@@ -46,6 +46,11 @@ function cloneShallow(object) {
   return clone;
 }
 
+/**
+ * Mock for |chrome| namespace.
+ */
+var chrome = {};
+
 /**
  * Mock out the chrome.fileBrowserPrivate API for use in the harness.
  */
@@ -897,3 +902,24 @@ chrome.mediaPlayerPrivate = {
     this.onVideoLaunched.notify();
   }
 };
+
+/**
+ * Mock for |v8Intl| namespace.
+ */
+var v8Intl = {};
+
+/**
+ * Mock constructor of |v8Intl.Collator|.
+ * @constructor
+ * @param {Array<*>} locales  //TODO(JSDOC).
+ * @param {Object.<*, *>} options  //TODO(JSDOC).
+ */
+v8Intl.Collator = function(locales, options) {};
+
+/**
+ * Mock constructor of |v8Intl.DateTimeFormat|.
+ * @constructor
+ * @param {Array<*>} locales  //TODO(JSDOC).
+ * @param {Object.<*, *>} options  //TODO(JSDOC).
+ */
+v8Intl.DateTimeFormat = function(locales, options) {};