HTML parser: implementing throw-on-dynamic-markup-insertion counter

third_party/WebKit/Source/core/dom/ThrowOnDynamicMarkupInsertionCountIncrementer.h

 /*

[dominicc (has gone to gerrit), 2016/09/28 08:01:03]

This is a new file, so put a new copyright notice with the current year. I think
the chromium.org style guide has an example. It's more succinct now.

  * Copyright (C) 2010 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef IgnoreDestructiveWriteCountIncrementer_h
-#define IgnoreDestructiveWriteCountIncrementer_h
+#ifndef ThrowOnDynamicMarkupInsertionCountIncrementer_h
+#define ThrowOnDynamicMarkupInsertionCountIncrementer_h
 
 #include "core/dom/Document.h"
 #include "wtf/Allocator.h"
 
 namespace blink {
 
-class IgnoreDestructiveWriteCountIncrementer {
+class ThrowOnDynamicMarkupInsertionCountIncrementer {
     STACK_ALLOCATED();
-    WTF_MAKE_NONCOPYABLE(IgnoreDestructiveWriteCountIncrementer);
+    WTF_MAKE_NONCOPYABLE(ThrowOnDynamicMarkupInsertionCountIncrementer);
 public:
-    explicit IgnoreDestructiveWriteCountIncrementer(Document* document)
-        : m_count(document ? &document->m_ignoreDestructiveWriteCount : 0)
+    explicit ThrowOnDynamicMarkupInsertionCountIncrementer(Document* document)

[dominicc (has gone to gerrit), 2016/09/28 08:01:03]

Why not make this Document&?

+        : m_count(document ? &document->m_throwOnDynamicMarkupInsertionCount : 0)
     {
         if (!m_count)
             return;
         ++(*m_count);
     }
 
-    ~IgnoreDestructiveWriteCountIncrementer()
+    ~ThrowOnDynamicMarkupInsertionCountIncrementer()
     {
         if (!m_count)
             return;
         --(*m_count);
     }
 
 private:
     unsigned* m_count;
 };
 
 } // namespace blink
 
 #endif