Mojo: Fix the C++ bindings generator for methods taking imported interfaces.

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 83 matching lines @@
 
     client()->DidStuff2(data);
   }
 
   virtual void CreateObject(InterfaceRequest<sample::Object> object_request)
       MOJO_OVERRIDE {
     EXPECT_TRUE(object_request.is_pending());
     BindToRequest(new SampleObjectImpl(), &object_request);
   }
 
+  // These aren't called or implemented, but exist here to test that the
+  // methods are generated with the correct argument types for imported
+  // interfaces.
+  virtual void RequestImportedInterface(
+      InterfaceRequest<imported::ImportedInterface> imported,
+      const mojo::Callback<void(InterfaceRequest<imported::ImportedInterface>)>&
+          callback) MOJO_OVERRIDE {}
+  virtual void TakeImportedInterface(
+      imported::ImportedInterfacePtr imported,
+      const mojo::Callback<void(imported::ImportedInterfacePtr)>& callback)
+      MOJO_OVERRIDE {}
+
  private:
   ScopedMessagePipeHandle pipe1_;
 };
 
 class SampleFactoryClientImpl : public sample::FactoryClient {
  public:
   SampleFactoryClientImpl() : got_response_(false) {
   }
 
   void set_expected_text_reply(const std::string& expected_text_reply) {
@@ skipping 208 matching lines @@
 
   PumpMessages();  // Yield for results.
 
   EXPECT_EQ(std::string("object1"), name1);
   EXPECT_EQ(std::string("object2"), name2);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo