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

ui/cc/RateLimiter.cpp

+/*
+ * 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 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 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"
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "RateLimiter.h"
+#include "TraceEvent.h"
+#include <public/WebGraphicsContext3D.h>
+
+namespace WebCore {
+
+PassRefPtr<RateLimiter> RateLimiter::create(WebKit::WebGraphicsContext3D* context, RateLimiterClient *client)
+{
+    return adoptRef(new RateLimiter(context, client));
+}
+
+RateLimiter::RateLimiter(WebKit::WebGraphicsContext3D* context, RateLimiterClient *client)
+    : m_context(context)
+//    , m_timer(this, &RateLimiter::rateLimitContext)
+    , m_client(client)
+{
+    ASSERT(context);
+}
+
+RateLimiter::~RateLimiter()
+{
+}
+
+void RateLimiter::start()
+{
+//    if (!m_timer.isActive())
+//        m_timer.startOneShot(0);
+}
+
+void RateLimiter::stop()
+{
+//    m_timer.stop();
+}
+
+/*void RateLimiter::rateLimitContext(Timer<RateLimiter>*)
+{
+    TRACE_EVENT0("cc", "RateLimiter::rateLimitContext");
+
+    m_client->rateLimit();
+    m_context->rateLimitOffscreenContextCHROMIUM();
+}*/
+
+}
+#endif // USE(ACCELERATED_COMPOSITING)