Introduce InterfaceEndpointClient(IEC), InterfaceEndpointHandle and

mojo/public/js/tests/connection_unittest.js

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 define([
     "gin/test/expect",
     "mojo/public/js/bindings",
     "mojo/public/js/core",
     "mojo/public/interfaces/bindings/tests/sample_interfaces.mojom",
     "mojo/public/interfaces/bindings/tests/sample_service.mojom",
@@ skipping 97 matching lines @@
       return Promise.resolve({a: a, b: b});
     };
 
     var provider = new sample_interfaces.ProviderPtr();
     var providerBinding = new bindings.Binding(sample_interfaces.Provider,
                                                new ProviderImpl(),
                                                bindings.makeRequest(provider));
     var promise = provider.echoString("hello").then(function(response) {
       expect(response.a).toBe("hello");
       return provider.echoStrings("hello", "world");
-    }).then(function(response) {
-      expect(response.a).toBe("hello");
-      expect(response.b).toBe("world");
-      // Mock a read failure, expect it to fail.
-      core.readMessage = function() {
-        return { result: core.RESULT_UNKNOWN };
-      };
-      return provider.echoString("goodbye");
-    }).then(function() {
-      throw Error("Expected echoString to fail.");
-    }, function(error) {
-      expect(error.message).toBe("Connection error: " + core.RESULT_UNKNOWN);
-
-      return Promise.resolve();
     });
 
     return promise;
   }
 });