Mojo C++ bindings: switch services/ui/public/interfaces mojom target to use STL types.

mojo/public/cpp/bindings/map.h

 // Copyright 2014 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.
 
 #ifndef MOJO_PUBLIC_CPP_BINDINGS_MAP_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_MAP_H_
 
 #include <stddef.h>
 #include <map>
 #include <unordered_map>
@@ skipping 281 matching lines @@
       for (auto it = input.begin(); it != input.end(); ++it) {
         result.insert(std::make_pair(
             TypeConverter<STLKey, MojoKey>::Convert(it->first),
             TypeConverter<STLValue, MojoValue>::Convert(it->second)));
       }
     }
     return result;
   }
 };
 
+// TODO(yzshen): These conversion functions should be removed and callsites
+// should be revisited and changed to use the same map type.
+template <typename Key, typename Value>
+std::unordered_map<Key, Value> MapToUnorderedMap(
+    const std::map<Key, Value>& input) {
+  return std::unordered_map<Key, Value>(input.begin(), input.end());
+}
+
+template <typename Key, typename Value>
+std::unordered_map<Key, Value> MapToUnorderedMap(std::map<Key, Value>&& input) {
+  return std::unordered_map<Key, Value>(std::make_move_iterator(input.begin()),
+                                        std::make_move_iterator(input.end()));
+}
+
+template <typename Key, typename Value>
+std::map<Key, Value> UnorderedMapToMap(
+    const std::unordered_map<Key, Value>& input) {
+  return std::map<Key, Value>(input.begin(), input.end());
+}
+
+template <typename Key, typename Value>
+std::map<Key, Value> UnorderedMapToMap(std::unordered_map<Key, Value>&& input) {
+  return std::map<Key, Value>(std::make_move_iterator(input.begin()),
+                              std::make_move_iterator(input.end()));
+}
+
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_MAP_H_