IDL: Implement float/double correctly

Source/bindings/tests/results/core/V8TestDictionary.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_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestDictionary.h"
 
 #include "bindings/core/v8/ExceptionState.h"
@@ skipping 62 matching lines @@
     v8::Local<v8::Value> doubleOrNullMemberValue = v8Object->Get(v8String(isolate, "doubleOrNullMember"));
     if (block.HasCaught()) {
         exceptionState.rethrowV8Exception(block.Exception());
         return;
     }
     if (doubleOrNullMemberValue.IsEmpty() || doubleOrNullMemberValue->IsUndefined()) {
         // Do nothing.
     } else if (doubleOrNullMemberValue->IsNull()) {
         impl.setDoubleOrNullMemberToNull();
     } else {
-        double doubleOrNullMember = toDouble(doubleOrNullMemberValue, exceptionState);
+        double doubleOrNullMember = toRestrictedDouble(doubleOrNullMemberValue, exceptionState);
         if (exceptionState.hadException())
             return;
         impl.setDoubleOrNullMember(doubleOrNullMember);
     }
 
     v8::Local<v8::Value> doubleOrStringMemberValue = v8Object->Get(v8String(isolate, "doubleOrStringMember"));
     if (block.HasCaught()) {
         exceptionState.rethrowV8Exception(block.Exception());
         return;
     }
@@ skipping 496 matching lines @@
 }
 
 TestDictionary NativeValueTraits<TestDictionary>::nativeValue(const v8::Local<v8::Value>& value, v8::Isolate* isolate, ExceptionState& exceptionState)
 {
     TestDictionary impl;
     V8TestDictionary::toImpl(isolate, value, impl, exceptionState);
     return impl;
 }
 
 } // namespace blink