Revert the merge. Mac build is mysteriously broken.

third_party/WebKit/WebCore/bindings/v8/custom/V8CustomVoidCallback.cpp

Index: third_party/WebKit/WebCore/bindings/v8/custom/V8CustomVoidCallback.cpp
===================================================================
--- third_party/WebKit/WebCore/bindings/v8/custom/V8CustomVoidCallback.cpp	(revision 9383)
+++ third_party/WebKit/WebCore/bindings/v8/custom/V8CustomVoidCallback.cpp	(working copy)
@@ -1,97 +0,0 @@
-/*
- * 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * 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 "V8CustomVoidCallback.h"
-
-#include "Frame.h"
-
-namespace WebCore {
-
-V8CustomVoidCallback::V8CustomVoidCallback(v8::Local<v8::Object> callback, Frame* frame)
-    : m_callback(v8::Persistent<v8::Object>::New(callback))
-    , m_frame(frame)
-{
-}
-
-V8CustomVoidCallback::~V8CustomVoidCallback()
-{
-    m_callback.Dispose();
-}
-
-void V8CustomVoidCallback::handleEvent()
-{
-    v8::HandleScope handleScope;
-
-    v8::Handle<v8::Context> context = V8Proxy::GetContext(m_frame.get());
-    if (context.IsEmpty())
-        return;
-
-    v8::Context::Scope scope(context);
-
-    // Protect the frame until the callback returns.
-    RefPtr<Frame> protector(m_frame);
-
-    bool callbackReturnValue = false;
-    invokeCallback(m_callback, 0, 0, callbackReturnValue);
-}
-
-bool invokeCallback(v8::Persistent<v8::Object> callback, int argc, v8::Handle<v8::Value> argv[], bool& callbackReturnValue)
-{
-    // FIXME: If an exception was thrown by the callback, we should report it
-    v8::TryCatch exceptionCatcher;
-
-    v8::Local<v8::Function> callbackFunction;
-    if (callback->IsFunction()) {
-        callbackFunction = v8::Local<v8::Function>::New(v8::Persistent<v8::Function>::Cast(callback));
-    } else if (callback->IsObject()) {
-        v8::Local<v8::Value> handleEventFunction = callback->Get(v8::String::NewSymbol("handleEvent"));
-        if (handleEventFunction->IsFunction()) {
-            callbackFunction = v8::Local<v8::Function>::Cast(handleEventFunction);
-        }
-    } else
-        return false;
-
-    if (callbackFunction.IsEmpty())
-        return false;
-
-    v8::Handle<v8::Object> thisObject = v8::Context::GetCurrent()->Global();
-
-    V8Proxy* proxy = V8Proxy::retrieve();
-    ASSERT(proxy);
-
-    v8::Handle<v8::Value> result = proxy->CallFunction(callbackFunction, thisObject, argc, argv);
-
-    callbackReturnValue = result.IsEmpty() && result->IsBoolean() && result->BooleanValue();
-
-    return exceptionCatcher.HasCaught();
-}
-
-} // namespace WebCore