Remove unused member in RenderFrameHostImpl.

content/browser/frame_host/render_frame_host_impl.cc

 // 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.
 
 #include "content/browser/frame_host/render_frame_host_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 299 matching lines @@
                                          FrameTree* frame_tree,
                                          FrameTreeNode* frame_tree_node,
                                          int32_t routing_id,
                                          int32_t widget_routing_id,
                                          bool hidden,
                                          bool renderer_initiated_creation)
     : render_view_host_(render_view_host),
       delegate_(delegate),
       site_instance_(static_cast<SiteInstanceImpl*>(site_instance)),
       process_(site_instance->GetProcess()),
-      render_frame_proxy_host_(NULL),
       frame_tree_(frame_tree),
       frame_tree_node_(frame_tree_node),
       parent_(nullptr),
       render_widget_host_(nullptr),
       routing_id_(routing_id),
       is_waiting_for_swapout_ack_(false),
       render_frame_created_(false),
       navigations_suspended_(false),
       is_waiting_for_beforeunload_ack_(false),
       unload_ack_is_for_navigation_(false),
@@ skipping 1045 matching lines @@
   if (swapout_event_monitor_timeout_) {
     swapout_event_monitor_timeout_->Start(base::TimeDelta::FromMilliseconds(
         RenderViewHostImpl::kUnloadTimeoutMS));
   }
 
   // There should always be a proxy to replace the old RenderFrameHost.  If
   // there are no remaining active views in the process, the proxy will be
   // short-lived and will be deleted when the SwapOut ACK is received.
   CHECK(proxy);
 
-  set_render_frame_proxy_host(proxy);
-
   if (IsRenderFrameLive()) {
     FrameReplicationState replication_state =
         proxy->frame_tree_node()->current_replication_state();
     Send(new FrameMsg_SwapOut(routing_id_, proxy->GetRoutingID(), is_loading,
                               replication_state));
   }
 
   if (web_ui())
     web_ui()->RenderFrameHostSwappingOut();
 
@@ skipping 2061 matching lines @@
   // There is no pending NavigationEntry in these cases, so pass 0 as the
   // pending_nav_entry_id. If the previous handle was a prematurely aborted
   // navigation loaded via LoadDataWithBaseURL, propagate the entry id.
   return NavigationHandleImpl::Create(
       params.url, params.redirects, frame_tree_node_, is_renderer_initiated,
       params.was_within_same_page, base::TimeTicks::Now(),
       entry_id_for_data_nav, false);  // started_from_context_menu
 }
 
 }  // namespace content