mus: Remove unnecessary const from property TypeConverter templates

components/mus/public/cpp/tests/window_tree_client_impl_unittest.cc

 // Copyright 2015 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 "components/mus/public/cpp/lib/window_tree_client_impl.h"
 
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 19 matching lines @@
 namespace {
 
 void DoNothingBool(bool result) {}
 
 }  // namespace
 
 namespace mus {
 
 mojo::Array<uint8_t> Int32ToPropertyTransportValue(int32_t value) {
   const std::vector<uint8_t> bytes =
-      mojo::TypeConverter<const std::vector<uint8_t>, int32_t>::Convert(value);
+      mojo::ConvertTo<std::vector<uint8_t>>(value);
   mojo::Array<uint8_t> transport_value;
   transport_value.resize(bytes.size());
   memcpy(&transport_value.front(), &(bytes.front()), bytes.size());
   return transport_value;
 }
 
 class TestWindowTreeDelegate : public WindowTreeDelegate {
  public:
   TestWindowTreeDelegate() {}
   ~TestWindowTreeDelegate() override {}
@@ skipping 765 matching lines @@
 
   setup.window_tree_client()->OnChangeCompleted(change_id2, false);
   EXPECT_FALSE(child->HasCapture());
   EXPECT_TRUE(root->HasCapture());
 
   setup.window_tree_client()->OnLostCapture(root->id());
   EXPECT_FALSE(root->HasCapture());
 }
 
 }  // namespace mus