Bug 482919 - Add speculative parsing to the HTML5 parser. r=bnewman.

parser/html/nsHtml5UTF16BufferCppSupplement.h

@@ -62,3 +62,29 @@ nsHtml5UTF16Buffer::~nsHtml5UTF16Buffer()
   MOZ_COUNT_DTOR(nsHtml5UTF16Buffer);
   delete[] buffer;
 }
+
+// Not using macros for AddRef and Release in order to be able to refcount on
+// and create on different threads.
+
+nsrefcnt
+nsHtml5UTF16Buffer::AddRef()
+{
+  NS_PRECONDITION(PRInt32(mRefCnt) >= 0, "Illegal refcount.");
+  ++mRefCnt;
+  NS_LOG_ADDREF(this, mRefCnt, "nsHtml5UTF16Buffer", sizeof(*this));
+  return mRefCnt;
+}
+
+nsrefcnt
+nsHtml5UTF16Buffer::Release()
+{
+  NS_PRECONDITION(0 != mRefCnt, "Release without AddRef.");
+  --mRefCnt;
+  NS_LOG_RELEASE(this, mRefCnt, "nsHtml5UTF16Buffer");
+  if (mRefCnt == 0) {
+    mRefCnt = 1; /* stabilize */
+    delete this;
+    return 0;
+  }
+  return mRefCnt;                              
+}