chrome: Add out-of-line copy ctors for complex classes.

chrome/common/extensions/api/input_ime/input_components_handler.cc

 // Copyright (c) 2012 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 "chrome/common/extensions/api/input_ime/input_components_handler.h"
 
 #include <stddef.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 11 matching lines @@
 namespace keys = manifest_keys;
 namespace errors = manifest_errors;
 
 InputComponentInfo::InputComponentInfo()
     : type(INPUT_COMPONENT_TYPE_NONE),
       shortcut_alt(false),
       shortcut_ctrl(false),
       shortcut_shift(false) {
 }
 
+InputComponentInfo::InputComponentInfo(const InputComponentInfo& other) =
+    default;
+
 InputComponentInfo::~InputComponentInfo() {}
 
 InputComponents::InputComponents() {}
 InputComponents::~InputComponents() {}
 
 // static
 const std::vector<InputComponentInfo>* InputComponents::GetInputComponents(
     const Extension* extension) {
   InputComponents* info = static_cast<InputComponents*>(
       extension->GetManifestData(keys::kInputComponents));
@@ skipping 193 matching lines @@
 const std::vector<std::string>
 InputComponentsHandler::PrerequisiteKeys() const {
   return SingleKey(keys::kOptionsPage);
 }
 
 const std::vector<std::string> InputComponentsHandler::Keys() const {
   return SingleKey(keys::kInputComponents);
 }
 
 }  // namespace extensions