Mojo: Use InterfaceFactory<Interface> for service registration

mojo/public/cpp/bindings/tests/handle_passing_unittest.cc

 // 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.
 
 #include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/test_support/test_utils.h"
 #include "mojo/public/cpp/utility/run_loop.h"
 #include "mojo/public/interfaces/bindings/tests/sample_factory.mojom.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 10 matching lines @@
   }
   void Run(const String& a) const {
     *buf_ = a.To<std::string>();
   }
  private:
   std::string* buf_;
 };
 
 class SampleNamedObjectImpl : public InterfaceImpl<sample::NamedObject> {
  public:
-  virtual void OnConnectionError() MOJO_OVERRIDE {
-    delete this;
-  }
-
   virtual void SetName(const mojo::String& name) MOJO_OVERRIDE {
     name_ = name;
   }
 
   virtual void GetName(const mojo::Callback<void(mojo::String)>& callback)
       MOJO_OVERRIDE {
     callback.Run(name_);
   }
 
  private:
   std::string name_;
 };
 
 class SampleFactoryImpl : public InterfaceImpl<sample::Factory> {
  public:
-  virtual void OnConnectionError() MOJO_OVERRIDE {
-    delete this;
-  }
-
   virtual void DoStuff(sample::RequestPtr request,
                        ScopedMessagePipeHandle pipe) MOJO_OVERRIDE {
     std::string text1;
     if (pipe.is_valid())
       EXPECT_TRUE(ReadTextMessage(pipe.get(), &text1));
 
     std::string text2;
     if (request->pipe.is_valid()) {
       EXPECT_TRUE(ReadTextMessage(request->pipe.get(), &text2));
 
@@ skipping 266 matching lines @@
 
   PumpMessages();  // Yield for results.
 
   EXPECT_EQ(std::string("object1"), name1);
   EXPECT_EQ(std::string("object2"), name2);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo