Remove unused member in RenderFrameHostImpl.

content/browser/frame_host/render_frame_host_impl.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 CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 293 matching lines @@
   // return a nullptr, whereas GetView() potentially will (for instance,
   // after a renderer crash).
   //
   // This method crashes if this RenderFrameHostImpl does not own a
   // a RenderWidgetHost and nor does any of its ancestors. That would
   // typically mean that the frame has been detached from the frame tree.
   RenderWidgetHostImpl* GetRenderWidgetHost();
 
   GlobalFrameRoutingId GetGlobalFrameRoutingId();
 
-  void set_render_frame_proxy_host(RenderFrameProxyHost* proxy) {
-    render_frame_proxy_host_ = proxy;
-  }
-
   // The unique ID of the latest NavigationEntry that this RenderFrameHost is
   // showing. This may change even when this frame hasn't committed a page,
   // such as for a new subframe navigation in a different frame.
   int nav_entry_id() const { return nav_entry_id_; }
   void set_nav_entry_id(int nav_entry_id) { nav_entry_id_ = nav_entry_id; }
 
   // A NavigationHandle for the pending navigation in this frame, if any. This
   // is cleared when the navigation commits.
   NavigationHandleImpl* navigation_handle() const {
     return navigation_handle_.get();
@@ skipping 565 matching lines @@
   // in this RenderFrameHost is part of this SiteInstance. Cannot change over
   // time.
   scoped_refptr<SiteInstanceImpl> site_instance_;
 
   // The renderer process this RenderFrameHost is associated with. It is
   // equivalent to the result of site_instance_->GetProcess(), but that
   // method has the side effect of creating the process if it doesn't exist.
   // Cache a pointer to avoid unnecessary process creation.
   RenderProcessHost* process_;
 
-  // The proxy created for this RenderFrameHost. It is used to send and receive
-  // IPC messages while in swapped out state.
-  // TODO(nasko): This can be removed once we don't have a swapped out state on
-  // RenderFrameHosts. See https://crbug.com/357747.
-  RenderFrameProxyHost* render_frame_proxy_host_;
-
   // Reference to the whole frame tree that this RenderFrameHost belongs to.
   // Allows this RenderFrameHost to add and remove nodes in response to
   // messages from the renderer requesting DOM manipulation.
   FrameTree* frame_tree_;
 
   // The FrameTreeNode which this RenderFrameHostImpl is hosted in.
   FrameTreeNode* frame_tree_node_;
 
   // The active parent RenderFrameHost for this frame, if it is a subframe.
   // Null for the main frame.  This is cached because the parent FrameTreeNode
@@ skipping 216 matching lines @@
 
   // NOTE: This must be the last member.
   base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_