Initial import attempt, just to play with. Many things disabled/removed

ui/cc/cc/CCProxy.cpp

Index: ui/cc/cc/CCProxy.cpp
diff --git a/ui/cc/cc/CCProxy.cpp b/ui/cc/cc/CCProxy.cpp
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index 0000000000000000000000000000000000000000..506a99376093a0d01c2ada190c861b71df1f1576
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+++ b/ui/cc/cc/CCProxy.cpp
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+/*
+ * Copyright (C) 2011 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 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 "cc/CCProxy.h"
+
+#include "cc/CCThreadTask.h"
+#include <wtf/MainThread.h>
+
+using namespace WTF;
+
+namespace WebCore {
+
+namespace {
+#ifndef NDEBUG
+bool implThreadIsOverridden = false;
+bool s_isMainThreadBlocked = false;
+ThreadIdentifier threadIDOverridenToBeImplThread;
+#endif
+CCThread* s_mainThread = 0;
+CCThread* s_implThread = 0;
+}
+
+void CCProxy::setMainThread(CCThread* thread)
+{
+    s_mainThread = thread;
+}
+
+CCThread* CCProxy::mainThread()
+{
+    return s_mainThread;
+}
+
+bool CCProxy::hasImplThread()
+{
+    return s_implThread;
+}
+
+void CCProxy::setImplThread(CCThread* thread)
+{
+    s_implThread = thread;
+}
+
+CCThread* CCProxy::implThread()
+{
+    return s_implThread;
+}
+
+CCThread* CCProxy::currentThread()
+{
+    ThreadIdentifier currentThreadIdentifier = WTF::currentThread();
+    if (s_mainThread && s_mainThread->threadID() == currentThreadIdentifier)
+        return s_mainThread;
+    if (s_implThread && s_implThread->threadID() == currentThreadIdentifier)
+        return s_implThread;
+    return 0;
+}
+
+#ifndef NDEBUG
+bool CCProxy::isMainThread()
+{
+    ASSERT(s_mainThread);
+    if (implThreadIsOverridden && WTF::currentThread() == threadIDOverridenToBeImplThread)
+        return false;
+    return WTF::currentThread() == s_mainThread->threadID();
+}
+
+bool CCProxy::isImplThread()
+{
+    WTF::ThreadIdentifier implThreadID = s_implThread ? s_implThread->threadID() : 0;
+    if (implThreadIsOverridden && WTF::currentThread() == threadIDOverridenToBeImplThread)
+        return true;
+    return WTF::currentThread() == implThreadID;
+}
+
+void CCProxy::setCurrentThreadIsImplThread(bool isImplThread)
+{
+    implThreadIsOverridden = isImplThread;
+    if (isImplThread)
+        threadIDOverridenToBeImplThread = WTF::currentThread();
+}
+
+bool CCProxy::isMainThreadBlocked()
+{
+    return s_isMainThreadBlocked;
+}
+
+void CCProxy::setMainThreadBlocked(bool isMainThreadBlocked)
+{
+    s_isMainThreadBlocked = isMainThreadBlocked;
+}
+#endif
+
+CCProxy::CCProxy()
+{
+    ASSERT(isMainThread());
+}
+
+CCProxy::~CCProxy()
+{
+    ASSERT(isMainThread());
+}
+
+}