Grant read permission for the non-native files passed as a result of file chooser.

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 716 matching lines @@
   delegate_->LostMouseLock();
 }
 
 void RenderViewHostImpl::SetInitialFocus(bool reverse) {
   Send(new ViewMsg_SetInitialFocus(GetRoutingID(), reverse));
 }
 
 void RenderViewHostImpl::FilesSelectedInChooser(
     const std::vector<content::FileChooserFileInfo>& files,
     FileChooserParams::Mode permissions) {
+  storage::FileSystemContext* const file_system_context =
+      BrowserContext::GetStoragePartition(GetProcess()->GetBrowserContext(),
+                                          GetSiteInstance())
+          ->GetFileSystemContext();
   // Grant the security access requested to the given files.
   for (size_t i = 0; i < files.size(); ++i) {
     const content::FileChooserFileInfo& file = files[i];
     if (permissions == FileChooserParams::Save) {
       ChildProcessSecurityPolicyImpl::GetInstance()->GrantCreateReadWriteFile(
           GetProcess()->GetID(), file.file_path);
     } else {
       ChildProcessSecurityPolicyImpl::GetInstance()->GrantReadFile(
           GetProcess()->GetID(), file.file_path);
     }
+    if (file.file_system_url.is_valid()) {
+      ChildProcessSecurityPolicyImpl::GetInstance()->GrantReadFileSystem(
+          GetProcess()->GetID(),
+          file_system_context->CrackURL(file.file_system_url)
+          .mount_filesystem_id());
+    }
   }
   Send(new ViewMsg_RunFileChooserResponse(GetRoutingID(), files));
 }
 
 void RenderViewHostImpl::DirectoryEnumerationFinished(
     int request_id,
     const std::vector<base::FilePath>& files) {
   // Grant the security access requested to the given files.
   for (std::vector<base::FilePath>::const_iterator file = files.begin();
        file != files.end(); ++file) {
@@ skipping 648 matching lines @@
   FrameTree* frame_tree = delegate_->GetFrameTree();
 
   frame_tree->ResetForMainFrameSwap();
 }
 
 void RenderViewHostImpl::SelectWordAroundCaret() {
   Send(new ViewMsg_SelectWordAroundCaret(GetRoutingID()));
 }
 
 }  // namespace content