mojo:: Introduce InterfaceRequest ctor that takes in InterfacePtr*

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

Index: mojo/public/cpp/bindings/tests/interface_ptr_unittest.cc
diff --git a/mojo/public/cpp/bindings/tests/interface_ptr_unittest.cc b/mojo/public/cpp/bindings/tests/interface_ptr_unittest.cc
index 138a92719cbd7ed6a2f628d85c9c0ed17cdda0a6..1765a0629ae6793ac61cfbe8e549c557ec205bb6 100644
--- a/mojo/public/cpp/bindings/tests/interface_ptr_unittest.cc
+++ b/mojo/public/cpp/bindings/tests/interface_ptr_unittest.cc
@@ -708,7 +708,7 @@ TEST_F(InterfacePtrTest, Fusion) {
 
   // Create another PingTest pipe.
   sample::PingTestPtr ptr;
-  sample::PingTestRequest request = MakeRequest(&ptr);
+  sample::PingTestRequest request(&ptr);
 
   // Fuse the new pipe to the one hanging off |impl|.
   EXPECT_TRUE(FuseInterface(std::move(request), proxy.PassInterface()));
@@ -796,7 +796,7 @@ TEST_F(InterfacePtrTest, InterfaceRequestResetWithReason) {
 
 TEST_F(InterfacePtrTest, CallbackOwnsInterfacePtr) {
   sample::PingTestPtr ptr;
-  sample::PingTestRequest request = MakeRequest(&ptr);
+  sample::PingTestRequest request(&ptr);
 
   base::RunLoop run_loop;