Add documentation for platform/bindings

third_party/WebKit/Source/platform/bindings/V8DOMWrapper.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 26 matching lines @@
 #include "platform/bindings/V8Binding.h"
 #include "platform/bindings/WrapperCreationSecurityCheck.h"
 #include "platform/wtf/Compiler.h"
 #include "platform/wtf/text/AtomicString.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 
 struct WrapperTypeInfo;
 
+// Contains utility methods to create wrappers, associate ScriptWrappable
+// objects with wrappers and set fields in wrappers.
 class V8DOMWrapper {
   STATIC_ONLY(V8DOMWrapper);
 
  public:
   static v8::Local<v8::Object> CreateWrapper(
       v8::Isolate*,
       v8::Local<v8::Object> creation_context,
       const WrapperTypeInfo*);
   PLATFORM_EXPORT static bool IsWrapper(v8::Isolate*, v8::Local<v8::Value>);
 
@@ skipping 129 matching lines @@
   bool did_enter_context_;
   v8::Local<v8::Context> context_;
   v8::TryCatch try_catch_;
   const WrapperTypeInfo* type_;
   bool access_check_failed_;
 };
 
 }  // namespace blink
 
 #endif  // V8DOMWrapper_h