Add more out of line copy ctors for complex classes.

mojo/shell/public/cpp/capabilities.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 MOJO_SHELL_PUBLIC_CPP_CAPABILITIES_H_
 #define MOJO_SHELL_PUBLIC_CPP_CAPABILITIES_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "mojo/shell/public/interfaces/shell_resolver.mojom.h"
 
 namespace mojo {
 using Class = std::string;
 using Classes = std::set<std::string>;
 using Interface = std::string;
 using Interfaces = std::set<std::string>;
 using Name = std::string;
 
 // See comments in mojo/shell/public/interfaces/capabilities.mojom for a
 // description of CapabilityRequest and CapabilitySpec.
 
 struct CapabilityRequest {
   CapabilityRequest();
+  CapabilityRequest(const CapabilityRequest& other);
   ~CapabilityRequest();
   bool operator==(const CapabilityRequest& other) const;
   Classes classes;
   Interfaces interfaces;
 };
 
 struct CapabilitySpec {
   CapabilitySpec();
+  CapabilitySpec(const CapabilitySpec& other);
   ~CapabilitySpec();
   bool operator==(const CapabilitySpec& other) const;
   std::map<Class, Interfaces> provided;
   std::map<Name, CapabilityRequest> required;
 };
 
 template <>
 struct TypeConverter<shell::mojom::CapabilitySpecPtr, CapabilitySpec> {
   static shell::mojom::CapabilitySpecPtr Convert(
       const CapabilitySpec& input);
@@ skipping 12 matching lines @@
 };
 template <>
 struct TypeConverter<CapabilityRequest,
                      shell::mojom::CapabilityRequestPtr> {
   static CapabilityRequest Convert(
       const shell::mojom::CapabilityRequestPtr& input);
 };
 }  // namespace mojo
 
 #endif  // MOJO_SHELL_PUBLIC_CPP_CAPABILITIES_H_