Remove old session history logic.

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 751 matching lines @@
 
   if (delegate_->OnMessageReceived(this, msg))
     return true;
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderViewHostImpl, msg)
     IPC_MESSAGE_HANDLER(FrameHostMsg_RenderProcessGone, OnRenderProcessGone)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ShowWidget, OnShowWidget)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ShowFullscreenWidget,
                         OnShowFullscreenWidget)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateState, OnUpdateState)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateTargetURL, OnUpdateTargetURL)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Close, OnClose)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RequestMove, OnRequestMove)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DocumentAvailableInMainFrame,
                         OnDocumentAvailableInMainFrame)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidContentsPreferredSizeChange,
                         OnDidContentsPreferredSizeChange)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RouteCloseEvent,
                         OnRouteCloseEvent)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TakeFocus, OnTakeFocus)
@@ skipping 43 matching lines @@
   Send(new ViewMsg_Move_ACK(route_id));
 }
 
 void RenderViewHostImpl::OnRenderProcessGone(int status, int exit_code) {
   // Do nothing, otherwise RenderWidgetHostImpl will assume it is not a
   // RenderViewHostImpl and destroy itself.
   // TODO(nasko): Remove this hack once RenderViewHost and RenderWidgetHost are
   // decoupled.
 }
 
-void RenderViewHostImpl::OnUpdateState(const PageState& state) {
-  // Without this check, the renderer can trick the browser into using
-  // filenames it can't access in a future session restore.
-  auto* policy = ChildProcessSecurityPolicyImpl::GetInstance();
-  int child_id = GetProcess()->GetID();
-  if (!policy->CanReadAllFiles(child_id, state.GetReferencedFiles())) {
-    bad_message::ReceivedBadMessage(
-        GetProcess(), bad_message::RVH_CAN_ACCESS_FILES_OF_PAGE_STATE);
-    return;
-  }
-
-  delegate_->UpdateState(this, state);
-}
-
 void RenderViewHostImpl::OnUpdateTargetURL(const GURL& url) {
   if (is_active_)
     delegate_->UpdateTargetURL(this, url);
 
   // Send a notification back to the renderer that we are ready to
   // receive more target urls.
   Send(new ViewMsg_UpdateTargetURL_ACK(GetRoutingID()));
 }
 
 void RenderViewHostImpl::OnClose() {
@@ skipping 152 matching lines @@
   } else {
     render_view_ready_on_process_launch_ = true;
   }
 }
 
 void RenderViewHostImpl::RenderViewReady() {
   delegate_->RenderViewReady(this);
 }
 
 }  // namespace content