Moving (Can|Grant)AccessFilesOfPageState into RenderFrameHostImpl.

content/browser/child_process_security_policy_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/child_process_security_policy_impl.h"
 
+#include <algorithm>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
@@ skipping 604 matching lines @@
     // allowed to commit the URL.
     return state->second->CanCommitURL(url);
   }
 }
 
 bool ChildProcessSecurityPolicyImpl::CanReadFile(int child_id,
                                                  const base::FilePath& file) {
   return HasPermissionsForFile(child_id, file, READ_FILE_GRANT);
 }
 
+bool ChildProcessSecurityPolicyImpl::CanReadAllFiles(
+    int child_id,
+    const std::vector<base::FilePath>& files) {
+  return std::all_of(files.begin(), files.end(),
+                     [this, child_id](const base::FilePath& file) {
+                       return CanReadFile(child_id, file);
+                     });
+}
+
 bool ChildProcessSecurityPolicyImpl::CanCreateReadWriteFile(
     int child_id,
     const base::FilePath& file) {
   return HasPermissionsForFile(child_id, file, CREATE_READ_WRITE_FILE_GRANT);
 }
 
 bool ChildProcessSecurityPolicyImpl::CanReadFileSystem(
     int child_id, const std::string& filesystem_id) {
   return HasPermissionsForFileSystem(child_id, filesystem_id, READ_FILE_GRANT);
 }
@@ skipping 207 matching lines @@
   base::AutoLock lock(lock_);
 
   SecurityStateMap::iterator state = security_state_.find(child_id);
   if (state == security_state_.end())
     return false;
 
   return state->second->can_send_midi_sysex();
 }
 
 }  // namespace content