Made JS enum declarations compatible with google closure

Original change by: https://github.com/alexames

Change-Id: Ib65bd02156d1c3637ed278a8334a2307caacaa44

tests/monster_test_generated.js

@@ -25,42 +25,81 @@ MyGame.Example2 = MyGame.Example2 || {};
 MyGame.OtherNameSpace = MyGame.OtherNameSpace || {};
 
 /**
- * @enum
+ * @enum {number}
  */
 MyGame.Example.Color = {
-  Red: 1, 1: 'Red',
-  Green: 2, 2: 'Green',
-  Blue: 8, 8: 'Blue'
+  Red: 1,
+  Green: 2,
+  Blue: 8
 };
 
 /**
- * @enum
+ * @enum {string}
+ */
+MyGame.Example.ColorName = {
+  1: 'Red',
+  2: 'Green',
+  8: 'Blue'
+};
+
+/**
+ * @enum {number}
  */
 MyGame.Example.Any = {
-  NONE: 0, 0: 'NONE',
-  Monster: 1, 1: 'Monster',
-  TestSimpleTableWithEnum: 2, 2: 'TestSimpleTableWithEnum',
-  MyGame_Example2_Monster: 3, 3: 'MyGame_Example2_Monster'
+  NONE: 0,
+  Monster: 1,
+  TestSimpleTableWithEnum: 2,
+  MyGame_Example2_Monster: 3
 };
 
 /**
- * @enum
+ * @enum {string}
+ */
+MyGame.Example.AnyName = {
+  0: 'NONE',
+  1: 'Monster',
+  2: 'TestSimpleTableWithEnum',
+  3: 'MyGame_Example2_Monster'
+};
+
+/**
+ * @enum {number}
  */
 MyGame.Example.AnyUniqueAliases = {
-  NONE: 0, 0: 'NONE',
-  M: 1, 1: 'M',
-  T: 2, 2: 'T',
-  M2: 3, 3: 'M2'
+  NONE: 0,
+  M: 1,
+  T: 2,
+  M2: 3
 };
 
 /**
- * @enum
+ * @enum {string}
+ */
+MyGame.Example.AnyUniqueAliasesName = {
+  0: 'NONE',
+  1: 'M',
+  2: 'T',
+  3: 'M2'
+};
+
+/**
+ * @enum {number}
  */
 MyGame.Example.AnyAmbiguousAliases = {
-  NONE: 0, 0: 'NONE',
-  M1: 1, 1: 'M1',
-  M2: 2, 2: 'M2',
-  M3: 3, 3: 'M3'
+  NONE: 0,
+  M1: 1,
+  M2: 2,
+  M3: 3
+};
+
+/**
+ * @enum {string}
+ */
+MyGame.Example.AnyAmbiguousAliasesName = {
+  0: 'NONE',
+  1: 'M1',
+  2: 'M2',
+  3: 'M3'
 };
 
 /**