DevTools: [JsDocValidator] Refactor JsDoc annotation checkers

Source/devtools/scripts/jsdoc-validator/tests/proto.js

+/**
+ * @constructor
+ */
+Base = function() {}
+
+/**
+ * @constructor
+ * @extends {Base}
+ */
+DerivedNoProto = function() {}
+
+/**
+ * @constructor
+ * @extends {Base}
+ */
+DerivedBadProto = function() {}
+
+DerivedBadProto.prototype = {
+    __proto__: Base
+}
+
+/**
+ * @interface
+ */
+InterfaceWithProto = function() {}
+
+InterfaceWithProto.prototype = {
+    __proto__: Base.prototype
+}
+
+/**
+ * @constructor
+ */
+ProtoNoExtends = function() {}
+
+ProtoNoExtends.prototype = {
+    __proto__: Base.prototype
+}
+
+/**
+ * @constructor
+ * @extends {Base}
+ */
+ProtoNotSameAsExtends = function() {}
+
+ProtoNotSameAsExtends.prototype = {
+    __proto__: Object.prototype
+}
+
+/**
+ * @constructor
+ * @extends {Base}
+ */
+ProtoNotObjectLiteral = function() {}
+
+ProtoNotObjectLiteral.prototype = Object;