Allow function JSDoc on computed methods.

Fixes #1126
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=102679854

Author: tbreisacher

src/com/google/javascript/jscomp/CheckJSDoc.java

@@ -152,6 +152,7 @@ private void validateFunctionJsDoc(NodeTraversal t, Node n, JSDocInfo info) {
         case Token.SETTER_DEF:
         case Token.MEMBER_FUNCTION_DEF:
         case Token.STRING_KEY:
+        case Token.COMPUTED_PROP:
         case Token.EXPORT:
           return;
         case Token.GETELEM:

test/com/google/javascript/jscomp/CheckJsDocTest.java

@@ -64,6 +64,22 @@ public void testInvalidClassJsdoc() {
         DISALLOWED_MEMBER_JSDOC);
   }
 
+  public void testFunctionJSDocOnMethods() {
+    testSameEs6("class Foo { /** @return {?} */ bar() {} }");
+    testSameEs6("class Foo { /** @return {?} */ get bar() {} }");
+    testSameEs6("class Foo { /** @param {?} x */ set bar(x) {} }");
+
+    testSameEs6("class Foo { /** @return {?} */ [bar]() {} }");
+    testSameEs6("class Foo { /** @return {?} */ get [bar]() {} }");
+    testSameEs6("class Foo { /** @return {?} x */ set [bar](x) {} }");
+  }
+
+  public void testMethodsOnObjectLiterals() {
+    testSameEs6("var x = { /** @return {?} */ foo() {} };");
+    testSameEs6("var x = { /** @return {?} */ [foo]() {} };");
+    testSameEs6("var x = { /** @return {?} */ foo: someFn };");
+    testSameEs6("var x = { /** @return {?} */ [foo]: someFn };");
+  }
 
   public void testExposeDeprecated() {
     testWarning("/** @expose */ var x = 0;", ANNOTATION_DEPRECATED);