Remove PostAttachCallbacks and replace with something more specialized

Source/core/dom/PostAttachCallbacks.cpp

Index: Source/core/dom/PostAttachCallbacks.cpp
diff --git a/Source/core/dom/PostAttachCallbacks.cpp b/Source/core/dom/PostAttachCallbacks.cpp
deleted file mode 100644
index b86239671a68ac87349f18ca9d7f77fb6cfcb89e..0000000000000000000000000000000000000000
--- a/Source/core/dom/PostAttachCallbacks.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2013 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.
- * 3. Neither the name of Google Inc. nor the names of its contributors
- *    may be used to endorse or promote products derived from this
- *    software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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 THE COPYRIGHT
- * OWNER 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.
- */
-
-#include "config.h"
-#include "core/dom/PostAttachCallbacks.h"
-
-#include "core/dom/Node.h"
-#include "wtf/RefPtr.h"
-
-namespace WebCore {
-
-typedef std::pair<PostAttachCallbacks::Callback, RefPtr<Node> > CallbackInfo;
-typedef Vector<CallbackInfo> CallbackQueue;
-
-static size_t s_attachDepth;
-
-static CallbackQueue& callbackQueue()
-{
-    DEFINE_STATIC_LOCAL(CallbackQueue, callbackQueue, ());
-    return callbackQueue;
-}
-
-void PostAttachCallbacks::queueCallback(Callback callback, Node* node)
-{
-    callbackQueue().append(CallbackInfo(callback, node));
-}
-
-PostAttachCallbacks::SuspendScope::SuspendScope()
-{
-    ++s_attachDepth;
-}
-
-PostAttachCallbacks::SuspendScope::~SuspendScope()
-{
-    if (s_attachDepth == 1) {
-        // We recalculate size() each time through the loop because a callback
-        // can add more callbacks to the end of the queue.
-        CallbackQueue& queue = callbackQueue();
-        for (size_t i = 0; i < queue.size(); ++i) {
-            const CallbackInfo& info = queue[i];
-            info.first(info.second.get());
-        }
-        queue.clear();
-    }
-    --s_attachDepth;
-}
-
-} // namespace WebCore