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

components/omnibox/browser/omnibox_edit_model.cc

 // Copyright 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 "components/omnibox/browser/omnibox_edit_model.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 146 matching lines @@
       user_text(user_text),
       gray_text(gray_text),
       keyword(keyword),
       is_keyword_hint(is_keyword_hint),
       url_replacement_enabled(url_replacement_enabled),
       focus_state(focus_state),
       focus_source(focus_source),
       autocomplete_input(autocomplete_input) {
 }
 
+OmniboxEditModel::State::State(const State& other) = default;
+
 OmniboxEditModel::State::~State() {
 }
 
 
 // OmniboxEditModel -----------------------------------------------------------
 
 OmniboxEditModel::OmniboxEditModel(OmniboxView* view,
                                    OmniboxEditController* controller,
                                    scoped_ptr<OmniboxClient> client)
     : client_(std::move(client)),
@@ skipping 1284 matching lines @@
   // Update state and notify view if the omnibox has focus and the caret
   // visibility changed.
   const bool was_caret_visible = is_caret_visible();
   focus_state_ = state;
   if (focus_state_ != OMNIBOX_FOCUS_NONE &&
       is_caret_visible() != was_caret_visible)
     view_->ApplyCaretVisibility();
 
   client_->OnFocusChanged(focus_state_, reason);
 }