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

chrome/browser/ui/extensions/app_launch_params.cc

 // Copyright 2014 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/extensions/app_launch_params.h"
 
 #include "chrome/browser/extensions/launch_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/common/constants.h"
@@ skipping 59 matching lines @@
     disposition = raw_disposition;
   } else {
     // Look at preference to find the right launch container.  If no preference
     // is set, launch as a regular tab.
     container =
         extensions::GetLaunchContainer(ExtensionPrefs::Get(profile), extension);
     disposition = NEW_FOREGROUND_TAB;
   }
 }
 
+AppLaunchParams::AppLaunchParams(const AppLaunchParams& other) = default;
+
 AppLaunchParams::~AppLaunchParams() {
 }