Change base::DictionaryValue mojo deserialization to not expand paths.

mojo/common/values_struct_traits.cc

 // Copyright 2016 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 "base/memory/ptr_util.h"
 #include "mojo/common/values_struct_traits.h"
 
 namespace mojo {
 
 bool StructTraits<common::mojom::ListValueDataView,
@@ skipping 21 matching lines @@
          std::unique_ptr<base::DictionaryValue>* value_out) {
   mojo::MapDataView<mojo::StringDataView, common::mojom::ValueDataView> view;
   data.GetValuesDataView(&view);
   auto dictionary_value = base::MakeUnique<base::DictionaryValue>();
   for (size_t i = 0; i < view.size(); ++i) {
     base::StringPiece key;
     std::unique_ptr<base::Value> value;
     if (!view.keys().Read(i, &key) || !view.values().Read(i, &value))
       return false;
 
-    dictionary_value->Set(key, std::move(value));
+    dictionary_value->SetWithoutPathExpansion(key, std::move(value));
   }
   *value_out = std::move(dictionary_value);
   return true;
 }
 
 bool UnionTraits<common::mojom::ValueDataView, std::unique_ptr<base::Value>>::
     Read(common::mojom::ValueDataView data,
          std::unique_ptr<base::Value>* value_out) {
   switch (data.tag()) {
     case common::mojom::ValueDataView::Tag::NULL_VALUE: {
@@ skipping 40 matching lines @@
       if (!data.ReadListValue(&list_value))
         return false;
       *value_out = std::move(list_value);
       return true;
     }
   }
   return false;
 }
 
 }  // namespace mojo