Fixing renderer's access to a file from HTTP POST (after a xsite transfer).

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 1228 matching lines @@
   float scale = GetScaleFactorForView(GetWidget()->GetView());
   gfx::Point location_dips_screen =
       gfx::ConvertPointToDIP(scale, gfx::Point(cursor_pos));
   if (GetWidget()->GetView())
     GetWidget()->GetView()->FocusedNodeTouched(location_dips_screen, editable);
 #endif
 }
 
 bool RenderViewHostImpl::CanAccessFilesOfPageState(
     const PageState& state) const {
-  ChildProcessSecurityPolicyImpl* policy =
-      ChildProcessSecurityPolicyImpl::GetInstance();
-
-  const std::vector<base::FilePath>& file_paths = state.GetReferencedFiles();
-  for (const auto& file : file_paths) {
-    if (!policy->CanReadFile(GetProcess()->GetID(), file))
-      return false;
-  }
-  return true;
+  return ChildProcessSecurityPolicyImpl::GetInstance()->CanReadAllFiles(
+      GetProcess()->GetID(), state.GetReferencedFiles());
 }
 
 void RenderViewHostImpl::GrantFileAccessFromPageState(const PageState& state) {
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
 
   const std::vector<base::FilePath>& file_paths = state.GetReferencedFiles();
   for (const auto& file : file_paths) {
     if (!policy->CanReadFile(GetProcess()->GetID(), file))
       policy->GrantReadFile(GetProcess()->GetID(), file);
@@ skipping 14 matching lines @@
   } else {
     render_view_ready_on_process_launch_ = true;
   }
 }
 
 void RenderViewHostImpl::RenderViewReady() {
   delegate_->RenderViewReady(this);
 }
 
 }  // namespace content