Add documentation for platform/bindings

third_party/WebKit/Source/platform/bindings/V8PerIsolateData.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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 34 matching lines @@
 
 class ActiveScriptWrappableBase;
 class DOMDataStore;
 class StringCache;
 class V8PrivateProperty;
 class WebTaskRunner;
 struct WrapperTypeInfo;
 
 typedef WTF::Vector<DOMDataStore*> DOMDataStoreList;
 
+// Used to hold data that is associated with a single v8::Isolate object, and
+// has a 1:1 relationship with v8::Isolate.
 class PLATFORM_EXPORT V8PerIsolateData {
   USING_FAST_MALLOC(V8PerIsolateData);
   WTF_MAKE_NONCOPYABLE(V8PerIsolateData);
 
  public:
   class EndOfScopeTask {
     USING_FAST_MALLOC(EndOfScopeTask);
 
    public:
     virtual ~EndOfScopeTask() {}
@@ skipping 201 matching lines @@
   Vector<std::unique_ptr<EndOfScopeTask>> end_of_scope_tasks_;
   std::unique_ptr<Data> thread_debugger_;
 
   Persistent<ActiveScriptWrappableSet> active_script_wrappables_;
   std::unique_ptr<ScriptWrappableVisitor> script_wrappable_visitor_;
 };
 
 }  // namespace blink
 
 #endif  // V8PerIsolateData_h