Remove use of deprecated base::ListValue::Append(Value*) overload in extensions.

extensions/common/permissions/manifest_permission.cc

 // 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.
 
 #include "extensions/common/permissions/manifest_permission.h"
 
 #include "base/json/json_writer.h"
 #include "extensions/common/manifest_handler.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_message_utils.h"
@@ skipping 11 matching lines @@
 bool ManifestPermission::Contains(const ManifestPermission* rhs) const {
   return std::unique_ptr<ManifestPermission>(Intersect(rhs))->Equal(rhs);
 }
 
 bool ManifestPermission::Equal(const ManifestPermission* rhs) const {
   return ToValue()->Equals(rhs->ToValue().get());
 }
 
 void ManifestPermission::GetSize(base::PickleSizer* s) const {
   base::ListValue singleton;
-  base::Value* value = ToValue().release();
-  singleton.Append(value);
+  singleton.Append(ToValue());
   IPC::GetParamSize(s, singleton);
 }
 
 void ManifestPermission::Write(base::Pickle* m) const {
   base::ListValue singleton;
-  base::Value* value = ToValue().release();
-  singleton.Append(value);
+  singleton.Append(ToValue());
   IPC::WriteParam(m, singleton);
 }
 
 bool ManifestPermission::Read(const base::Pickle* m,
                               base::PickleIterator* iter) {
   base::ListValue singleton;
   if (!IPC::ReadParam(m, iter, &singleton))
     return false;
   if (singleton.GetSize() != 1)
     return false;
   base::Value* value = NULL;
   if (!singleton.Get(0, &value))
     return false;
   return FromValue(value);
 }
 
 void ManifestPermission::Log(std::string* log) const {
   base::JSONWriter::WriteWithOptions(
       *ToValue(), base::JSONWriter::OPTIONS_PRETTY_PRINT, log);
 }
 
 }  // namespace extensions