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

chrome/browser/ui/webui/favicon_source.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/browser/ui/webui/favicon_source.h"
 
 #include <cmath>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 24 matching lines @@
     const content::URLDataSource::GotDataCallback& cb,
     const GURL& path,
     int size,
     float scale)
     : callback(cb),
       request_path(path),
       size_in_dip(size),
       device_scale_factor(scale) {
 }
 
+FaviconSource::IconRequest::IconRequest(const IconRequest& other) = default;
+
 FaviconSource::IconRequest::~IconRequest() {
 }
 
 FaviconSource::FaviconSource(Profile* profile, IconType type)
     : profile_(profile->GetOriginalProfile()),
       icon_types_(type == FAVICON ? favicon_base::FAVICON
                                   : favicon_base::TOUCH_PRECOMPOSED_ICON |
                                         favicon_base::TOUCH_ICON |
                                         favicon_base::FAVICON) {}
 
@@ skipping 147 matching lines @@
     ui::ScaleFactor resource_scale_factor =
         ui::GetSupportedScaleFactor(icon_request.device_scale_factor);
     default_favicon =
         ResourceBundle::GetSharedInstance().LoadDataResourceBytesForScale(
             resource_id, resource_scale_factor);
     default_favicons_[favicon_index] = default_favicon;
   }
 
   icon_request.callback.Run(default_favicon);
 }