refactor(*): avoid non-existent property warnings from Closure Compiler

Closes angular#15672

Author: dimvar

src/Angular.js

@@ -1870,7 +1870,7 @@ function bindJQuery() {
     extend(jQuery.fn, {
       scope: JQLitePrototype.scope,
       isolateScope: JQLitePrototype.isolateScope,
-      controller: JQLitePrototype.controller,
+      controller: /** @type {?} */ (JQLitePrototype).controller,
       injector: JQLitePrototype.injector,
       inheritedData: JQLitePrototype.inheritedData
     });

src/ng/http.js

@@ -1255,7 +1255,8 @@ function $HttpProvider() {
       if ((config.cache || defaults.cache) && config.cache !== false &&
           (config.method === 'GET' || config.method === 'JSONP')) {
         cache = isObject(config.cache) ? config.cache
-              : isObject(defaults.cache) ? defaults.cache
+            : isObject(/** @type {?} */ (defaults).cache)
+              ? /** @type {?} */ (defaults).cache
               : defaultCache;
       }
 

src/ng/location.js

@@ -216,7 +216,7 @@ function LocationHashbangUrl(appBase, appBaseNoFile, hashPrefix) {
         withoutHashUrl = '';
         if (isUndefined(withoutBaseUrl)) {
           appBase = url;
-          this.replace();
+          /** @type {?} */ (this).replace();
         }
       }
     }