Rewrite scoped_ptr<T>(NULL) to use the default ctor in content/.

content/browser/renderer_host/render_view_host_impl.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 "content/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 151 matching lines @@
     int main_frame_routing_id,
     bool swapped_out,
     SessionStorageNamespace* session_storage)
     : RenderWidgetHostImpl(widget_delegate, instance->GetProcess(), routing_id),
       delegate_(delegate),
       instance_(static_cast<SiteInstanceImpl*>(instance)),
       waiting_for_drag_context_response_(false),
       enabled_bindings_(0),
       pending_request_id_(-1),
       navigations_suspended_(false),
-      suspended_nav_params_(NULL),
       has_accessed_initial_document_(false),
       is_swapped_out_(swapped_out),
       is_subframe_(false),
       main_frame_id_(-1),
       run_modal_reply_msg_(NULL),
       run_modal_opener_id_(MSG_ROUTING_NONE),
       is_waiting_for_beforeunload_ack_(false),
       is_waiting_for_unload_ack_(false),
       has_timed_out_on_unload_(false),
       unload_ack_is_for_cross_site_transition_(false),
@@ skipping 1918 matching lines @@
   const std::vector<base::FilePath>& file_paths = state.GetReferencedFiles();
   for (std::vector<base::FilePath>::const_iterator file = file_paths.begin();
        file != file_paths.end(); ++file) {
     if (!policy->CanReadFile(GetProcess()->GetID(), *file))
       return false;
   }
   return true;
 }
 
 }  // namespace content