Add support for |any| to Sky's code generator

sky/engine/tonic/dart_converter.h

 // Copyright 2015 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 SKY_ENGINE_TONIC_DART_CONVERTER_H_
 #define SKY_ENGINE_TONIC_DART_CONVERTER_H_
 
 #include <string>
 #include "sky/engine/tonic/dart_state.h"
 #include "sky/engine/tonic/dart_string.h"
@@ skipping 251 matching lines @@
                                  bool auto_scope = true) {
     // TODO(abarth): What should we do with auto_scope?
     return FromDart(Dart_GetNativeArgument(args, index));
   }
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 // DartValue
 
 template <>
-struct DartConverter<DartValue> {
+struct DartConverter<DartValue*> {
   static Dart_Handle ToDart(DartState* state, DartValue* val) {
     return val->dart_value();
   }
 
   static void SetReturnValue(Dart_NativeArguments args, DartValue* val) {
     Dart_SetReturnValue(args, val->dart_value());
   }
+
+  static PassRefPtr<DartValue> FromDart(Dart_Handle handle) {
+    return DartValue::Create(DartState::Current(), handle);
+  }
+
+  static PassRefPtr<DartValue> FromArguments(Dart_NativeArguments args,
+                                             int index,
+                                             Dart_Handle& exception,
+                                             bool auto_scope = true) {
+    // TODO(abarth): What should we do with auto_scope?
+    return FromDart(Dart_GetNativeArgument(args, index));
+  }
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 // Convience wrappers for commonly used conversions
 
 inline Dart_Handle StringToDart(DartState* state, const String& val) {
   return DartConverter<String>::ToDart(state, val);
 }
 
 inline Dart_Handle StringToDart(DartState* state, const AtomicString& val) {
@@ skipping 33 matching lines @@
 
 
 // Alias Dart_NewStringFromCString for less typing.
 inline Dart_Handle ToDart(const char* val) {
   return Dart_NewStringFromCString(val);
 }
 
 }  // namespace blink
 
 #endif  // SKY_ENGINE_TONIC_DART_CONVERTER_H_