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

chrome/browser/prerender/prerender_link_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_LINK_MANAGER_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_LINK_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 67 matching lines @@
   struct LinkPrerender {
     LinkPrerender(int launcher_child_id,
                   int prerender_id,
                   const GURL& url,
                   uint32_t rel_types,
                   const content::Referrer& referrer,
                   const gfx::Size& size,
                   int render_view_route_id,
                   base::TimeTicks creation_time,
                   PrerenderContents* deferred_launcher);
+    LinkPrerender(const LinkPrerender& other);
     ~LinkPrerender();
 
     // Parameters from PrerenderLinkManager::OnAddPrerender():
     int launcher_child_id;
     int prerender_id;
     GURL url;
     uint32_t rel_types;
     content::Referrer referrer;
     gfx::Size size;
     int render_view_route_id;
@@ skipping 71 matching lines @@
   // Helper object to manage prerenders which are launched by other prerenders
   // and must be deferred until the launcher is swapped in.
   scoped_ptr<PendingPrerenderManager> pending_prerender_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderLinkManager);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_LINK_MANAGER_H_