Miscellaneous fixes for MSVC.

mojo/public/cpp/bindings/binding.h

 // Copyright 2014 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.
 
 #ifndef MOJO_PUBLIC_CPP_BINDINGS_BINDING_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_BINDING_H_
 
 #include "mojo/public/c/environment/async_waiter.h"
 #include "mojo/public/cpp/bindings/error_handler.h"
 #include "mojo/public/cpp/bindings/interface_ptr.h"
@@ skipping 151 matching lines @@
   }
 
   // Unbinds the underlying pipe from this binding and returns it so it can be
   // used in another context, such as on another thread or with a different
   // implementation. Put this object into a state where it can be rebound to a
   // new pipe.
   InterfaceRequest<Interface> Unbind() {
     InterfaceRequest<Interface> request =
         MakeRequest<Interface>(internal_router_->PassMessagePipe());
     DestroyRouter();
-    return request;
+    // TODO(vtl): The |.Pass()| below is only needed due to an MSVS bug; remove
+    // it once that's fixed.
+    return request.Pass();
   }
 
   // Sets an error handler that will be called if a connection error occurs on
   // the bound message pipe.
   void set_error_handler(ErrorHandler* error_handler) {
     error_handler_ = error_handler;
   }
 
   // Implements the |Binding|'s response to a connection error.
   void OnConnectionError() override {
@@ skipping 23 matching lines @@
   typename Interface::Stub_ stub_;
   Interface* impl_;
   ErrorHandler* error_handler_ = nullptr;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(Binding);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_BINDING_H_