Mojo C++ bindings: Remove more use_new_wrapper_types=false.

components/font_service/public/cpp/font_service_thread.h

 // 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.
 
 #ifndef COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_SERVICE_THREAD_H_
 #define COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_SERVICE_THREAD_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 53 matching lines @@
   // Called on the FontServiceThread in response to receiving a message from
   // our MatchFamily mojo IPC. This writes the data returned by mojo, and then
   // signals |done_event| to wake up the other thread.
   void OnMatchFamilyNameComplete(
       base::WaitableEvent* done_event,
       bool* out_valid,
       SkFontConfigInterface::FontIdentity* out_font_identity,
       SkString* out_family_name,
       SkFontStyle* out_style,
       mojom::FontIdentityPtr font_identity,
-      mojo::String family_name,
+      const std::string& family_name,
       mojom::TypefaceStylePtr style);
 
   // Implementation of OpenStream; same threading restrictions as MatchFamily.
   void OpenStreamImpl(base::WaitableEvent* done_event,
                       base::File* output_file,
                       const uint32_t id_number);
   void OnOpenStreamComplete(base::WaitableEvent* done_event,
                             base::File* output_file,
                             mojo::ScopedHandle handle);
 
@@ skipping 23 matching lines @@
 
   base::WeakPtrFactory<FontServiceThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FontServiceThread);
 };
 
 }  // namespace internal
 }  // namespace font_service
 
 #endif  // COMPONENTS_FONT_SERVICE_PUBLIC_CPP_FONT_SERVICE_THREAD_H_