mojo:: Introduce InterfaceRequest ctor that takes in InterfacePtr*

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 <stdint.h>
 #include <utility>
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "mojo/public/cpp/bindings/binding.h"
@@ skipping 309 matching lines @@
   EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(handle1_value));
 }
 
 TEST_F(HandlePassingTest, CreateNamedObject) {
   sample::FactoryPtr factory;
   SampleFactoryImpl factory_impl(MakeRequest(&factory));
 
   sample::NamedObjectPtr object1;
   EXPECT_FALSE(object1);
 
-  InterfaceRequest<sample::NamedObject> object1_request = MakeRequest(&object1);
+  InterfaceRequest<sample::NamedObject> object1_request(&object1);
   EXPECT_TRUE(object1_request.is_pending());
   factory->CreateNamedObject(std::move(object1_request));
   EXPECT_FALSE(object1_request.is_pending());  // We've passed the request.
 
   ASSERT_TRUE(object1);
   object1->SetName("object1");
 
   sample::NamedObjectPtr object2;
   factory->CreateNamedObject(MakeRequest(&object2));
   object2->SetName("object2");
 
   base::RunLoop run_loop, run_loop2;
   std::string name1;
   object1->GetName(MakeStringRecorder(&name1, run_loop.QuitClosure()));
 
   std::string name2;
   object2->GetName(MakeStringRecorder(&name2, run_loop2.QuitClosure()));
 
   run_loop.Run();
   run_loop2.Run();
 
   EXPECT_EQ(std::string("object1"), name1);
   EXPECT_EQ(std::string("object2"), name2);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo