Remove associated interface registration from ChannelProxy

content/common/associated_interface_registry_impl.h

 // Copyright 2016 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 CONTENT_COMMON_ASSOCIATED_INTERFACE_REGISTRY_IMPL_H_
 #define CONTENT_COMMON_ASSOCIATED_INTERFACE_REGISTRY_IMPL_H_
 
 #include <map>
 #include <string>
 
 #include "base/macros.h"
 #include "content/public/common/associated_interface_registry.h"
 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
 
 namespace content {
 
 class AssociatedInterfaceRegistryImpl : public AssociatedInterfaceRegistry {
  public:
   AssociatedInterfaceRegistryImpl();
   ~AssociatedInterfaceRegistryImpl() override;
 
+  bool CanBindRequest(const std::string& interface_name) const;
   void BindRequest(const std::string& interface_name,
                    mojo::ScopedInterfaceEndpointHandle handle);
 
   // AssociatedInterfaceRegistry:
   void AddInterface(const std::string& name, const Binder& binder) override;
   void RemoveInterface(const std::string& name) override;
 
  private:
   std::map<std::string, Binder> interfaces_;
 
   DISALLOW_COPY_AND_ASSIGN(AssociatedInterfaceRegistryImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_ASSOCIATED_INTERFACE_REGISTRY_IMPL_H_