Fold ScrollingCoordinatorChromium into ScrollingCoordinator and devirtualize

Source/WebCore/page/scrolling/mac/ScrollingThreadMac.mm

Index: Source/WebCore/page/scrolling/mac/ScrollingThreadMac.mm
diff --git a/Source/WebCore/page/scrolling/mac/ScrollingThreadMac.mm b/Source/WebCore/page/scrolling/mac/ScrollingThreadMac.mm
deleted file mode 100644
index 789759102102c87cf8befbc342bd9ad1fb6edac6..0000000000000000000000000000000000000000
--- a/Source/WebCore/page/scrolling/mac/ScrollingThreadMac.mm
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (C) 2012 Apple 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "ScrollingThread.h"
-
-#if ENABLE(THREADED_SCROLLING)
-
-namespace WebCore {
-
-void ScrollingThread::initializeRunLoop()
-{
-    // Initialize the run loop.
-    {
-        MutexLocker locker(m_initializeRunLoopConditionMutex);
-
-        m_threadRunLoop = CFRunLoopGetCurrent();
-
-        CFRunLoopSourceContext context = { 0, this, 0, 0, 0, 0, 0, 0, 0, threadRunLoopSourceCallback };
-        m_threadRunLoopSource = adoptCF(CFRunLoopSourceCreate(0, 0, &context));
-        CFRunLoopAddSource(CFRunLoopGetCurrent(), m_threadRunLoopSource.get(), kCFRunLoopDefaultMode);
-
-        m_initializeRunLoopCondition.broadcast();
-    }
-
-    ASSERT(isCurrentThread());
-
-    CFRunLoopRun();
-}
-
-void ScrollingThread::wakeUpRunLoop()
-{
-    CFRunLoopSourceSignal(m_threadRunLoopSource.get());
-    CFRunLoopWakeUp(m_threadRunLoop.get());
-}
-
-void ScrollingThread::threadRunLoopSourceCallback(void* scrollingThread)
-{
-    static_cast<ScrollingThread*>(scrollingThread)->threadRunLoopSourceCallback();
-}
-
-void ScrollingThread::threadRunLoopSourceCallback()
-{
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    dispatchFunctionsFromScrollingThread();
-    [pool drain];
-}
-
-} // namespace WebCore
-
-#endif // ENABLE(THREADED_SCROLLING)