Make cc_unittests and webkit_compositor_unittests executable always

webkit/compositor/WebCompositorImpl.h

-// Copyright 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef WebCompositorImpl_h
-#define WebCompositorImpl_h
-
-#include <public/WebCompositor.h>
-
-#include <wtf/HashSet.h>
-#include <wtf/Noncopyable.h>
-#include <wtf/OwnPtr.h>
-
-namespace WebCore {
-class CCThread;
-}
-
-namespace WebKit {
-
-class WebThread;
-
-class WebCompositorImpl : public WebCompositor {
-    WTF_MAKE_NONCOPYABLE(WebCompositorImpl);
-public:
-    static bool initialized();
-
-private:
-
-    friend class WebCompositor;
-    static void initialize(WebThread* implThread);
-    static bool threadingEnabled();
-    static void shutdown();
-
-    static bool s_initialized;
-    static WebCore::CCThread* s_mainThread;
-    static WebCore::CCThread* s_implThread;
-};
-
-}
-
-#endif // WebCompositorImpl_h