IDL: Drop value conversion (V8 -> C++) macros from generated code

Source/bindings/templates/union.cpp

 // 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.
 
 // This file has been auto-generated by {{code_generator}}. DO NOT MODIFY!
 
 #include "config.h"
 #include "{{header_filename}}"
 
+{% from 'conversions.cpp' import v8_value_to_local_cpp_value %}
 {% macro assign_and_return_if_hasinstance(member) %}
 if (V8{{member.type_name}}::hasInstance(v8Value, isolate)) {
     {{member.cpp_local_type}} cppValue = V8{{member.type_name}}::toImpl(v8::Local<v8::Object>::Cast(v8Value));
     impl.set{{member.type_name}}(cppValue);
     return;
 }
 {% endmacro %}
 {% for filename in cpp_includes %}
 #include "{{filename}}"
 {% endfor %}
@@ skipping 67 matching lines @@
     {# FIXME: Individual typed arrays (e.g. Uint8Array) aren't supported yet. #}
     {% if container.array_buffer_view_type %}
     {{assign_and_return_if_hasinstance(container.array_buffer_view_type) | indent}}
 
     {% endif %}
     {% if container.dictionary_type %}
     {# 12. Dictionaries #}
     {# FIXME: This should also check "object but not Date or RegExp". Add checks
        when we implement conversions for Date and RegExp. #}
     if (isUndefinedOrNull(v8Value) || v8Value->IsObject()) {
-        {% if container.dictionary_type.type_name != 'Dictionary' %}
-        {{container.dictionary_type.cpp_local_type}} cppValue;
-        {% endif %}
-        {{container.dictionary_type.v8_value_to_local_cpp_value}};
+        {{v8_value_to_local_cpp_value(container.dictionary_type) | indent(8)}}
         impl.set{{container.dictionary_type.type_name}}(cppValue);
         return;
     }
 
     {% endif %}
     {% if container.array_or_sequence_type %}
     {# 13. Arrays/Sequences #}
     {# FIXME: This should also check "object but not Date or RegExp". Add checks
        when we implement conversions for Date and RegExp. #}
     {# FIXME: Should check for sequences too, not just Array instances. #}
     if (v8Value->IsArray()) {
-        {{container.array_or_sequence_type.v8_value_to_local_cpp_value}};
+        {{v8_value_to_local_cpp_value(container.array_or_sequence_type) | indent(8)}}
         impl.set{{container.array_or_sequence_type.type_name}}(cppValue);
         return;
     }
 
     {% endif %}
     {# FIXME: In some cases, we can omit boolean and numeric type checks because
        we have fallback conversions. (step 17 and 18) #}
     {% if container.boolean_type %}
     {# 14. Boolean #}
     if (v8Value->IsBoolean()) {
         impl.setBoolean(v8Value->ToBoolean()->Value());
         return;
     }
 
     {% endif %}
     {% if container.numeric_type %}
     {# 15. Number #}
     if (v8Value->IsNumber()) {
-        {{container.numeric_type.v8_value_to_local_cpp_value}};
+        {{v8_value_to_local_cpp_value(container.numeric_type) | indent(8)}}
         impl.set{{container.numeric_type.type_name}}(cppValue);
         return;
     }
 
     {% endif %}
     {% if container.string_type %}
     {# 16. String #}
     {
-        {{container.string_type.v8_value_to_local_cpp_value}};
+        {{v8_value_to_local_cpp_value(container.string_type) | indent(8)}}
         {% if container.string_type.enum_validation_expression %}
         String string = cppValue;
         if (!({{container.string_type.enum_validation_expression}})) {
             exceptionState.throwTypeError("'" + string + "' is not a valid enum value.");
             return;
         }
         {% endif %}
         impl.set{{container.string_type.type_name}}(cppValue);
         return;
     }
 
     {# 17. Number (fallback) #}
     {% elif container.numeric_type %}
     {
-        {{container.numeric_type.v8_value_to_local_cpp_value}};
+        {{v8_value_to_local_cpp_value(container.numeric_type) | indent(8)}}
         impl.set{{container.numeric_type.type_name}}(cppValue);
         return;
     }
 
     {# 18. Boolean (fallback) #}
     {% elif container.boolean_type %}
     {
-        impl.setBoolean(v8Value->ToBoolean()->Value());
+        impl.setBoolean(v8Value->BooleanValue());
         return;
     }
 
     {% else %}
     {# 19. TypeError #}
     exceptionState.throwTypeError("The provided value is not of type '{{container.type_string}}'");
     {% endif %}
 }
 
 v8::Local<v8::Value> toV8(const {{container.cpp_class}}& impl, v8::Local<v8::Object> creationContext, v8::Isolate* isolate)
@@ skipping 14 matching lines @@
 
 {{container.cpp_class}} NativeValueTraits<{{container.cpp_class}}>::nativeValue(const v8::Local<v8::Value>& value, v8::Isolate* isolate, ExceptionState& exceptionState)
 {
     {{container.cpp_class}} impl;
     V8{{container.cpp_class}}::toImpl(isolate, value, impl, exceptionState);
     return impl;
 }
 
 {% endfor %}
 } // namespace blink