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

chrome/browser/extensions/api/messaging/incognito_connectability.h

 // Copyright 2013 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_EXTENSIONS_API_MESSAGING_INCOGNITO_CONNECTABILITY_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_INCOGNITO_CONNECTABILITY_H_
 
 #include <set>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 53 matching lines @@
   // this profile, false otherwise. If unknown, the user will be prompted before
   // an answer is returned.
   void Query(const Extension* extension,
              content::WebContents* web_contents,
              const GURL& url,
              const base::Callback<void(bool)>& callback);
 
  private:
   struct TabContext {
     TabContext();
+    TabContext(const TabContext& other);
     ~TabContext();
 
     // The infobar being shown in a given tab. The InfoBarManager maintains
     // ownership of this object. This struct must always be destroyed before the
     // infobar it tracks.
     infobars::InfoBar* infobar;
     // Connectability queries outstanding on this infobar.
     std::vector<base::Callback<void(bool)>> callbacks;
   };
 
@@ skipping 40 matching lines @@
   // infobar and the set of callbacks (passed to Query) that will be called when
   // the query is resolved.
   PendingOriginMap pending_origins_;
 
   base::WeakPtrFactory<IncognitoConnectability> weak_factory_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_INCOGNITO_CONNECTABILITY_H_