Delete JSEchoTest.ShareEchoService -- it tests the wrong-way ServiceProvider (exposed_services).

services/js/test/echo.js

Index: services/js/test/echo.js
diff --git a/services/js/test/echo.js b/services/js/test/echo.js
index 17808648564d269efd17ab38c4b4d6612a63f5e6..871837c11f5e5d3ed3091aee1613d44c1c9671d7 100644
--- a/services/js/test/echo.js
+++ b/services/js/test/echo.js
@@ -17,23 +17,6 @@ define("main", [
       return Promise.resolve({value: s});
     }
 
-    // This method is only used by the ShareEchoService test.
-    shareEchoService() {
-      var echoTargetURL = echoApp.url.replace("echo.js", "echo_target.js");
-      var targetSP = echoApp.shell.connectToApplication(echoTargetURL);
-      // This Promise resolves after echo_target.js has called the echoString()
-      // method defined on the local EchoService implementation. For its part,
-      // the target application quits after one successful call to echoString().
-      return new Promise(function(resolve) {
-        targetSP.provideService(EchoService, function() {
-          this.echoString = function(s) {
-            resolve({ok: true});
-            return Promise.resolve({value: s});
-          }
-        });
-      });
-    }
-
     quit() {
       echoApp.quit();
     }