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

ui/cc/cc/CCFrameRateController.h

Index: ui/cc/cc/CCFrameRateController.h
diff --git a/ui/cc/cc/CCFrameRateController.h b/ui/cc/cc/CCFrameRateController.h
new file mode 100644
index 0000000000000000000000000000000000000000..fa23af2ccbdf2c5a9b8d638d8fa9a0431bcaf962
--- /dev/null
+++ b/ui/cc/cc/CCFrameRateController.h
@@ -0,0 +1,81 @@
+/*
+ * 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.
+ */
+
+#ifndef CCFrameRateController_h
+#define CCFrameRateController_h
+
+#include <wtf/CurrentTime.h>
+#include <wtf/Deque.h>
+#include <wtf/OwnPtr.h>
+#include <wtf/PassOwnPtr.h>
+
+namespace WebCore {
+
+class CCTimeSource;
+
+class CCFrameRateControllerClient {
+public:
+    virtual void vsyncTick() = 0;
+
+protected:
+    virtual ~CCFrameRateControllerClient() { }
+};
+
+class CCFrameRateControllerTimeSourceAdapter;
+
+class CCFrameRateController {
+public:
+    explicit CCFrameRateController(PassRefPtr<CCTimeSource>);
+    ~CCFrameRateController();
+
+    void setClient(CCFrameRateControllerClient* client) { m_client = client; }
+
+    void setActive(bool);
+
+    void setMaxPendingFrames(int);
+
+    // Use the following methods to adjust target frame rate.
+    //
+    // Multiple frames can be in-progress, but for every didBeginFrame, a
+    // didFinishFrame should be posted.
+    //
+    // If the rendering pipeline crashes, call didAbortAllPendingFrames.
+    void didBeginFrame();
+    void didFinishFrame();
+    void didAbortAllPendingFrames();
+    void setMaxFramesPending(int); // 0 for unlimited.
+
+protected:
+    friend class CCFrameRateControllerTimeSourceAdapter;
+    void onTimerTick();
+
+    CCFrameRateControllerClient* m_client;
+    int m_numFramesPending;
+    int m_maxFramesPending;
+    RefPtr<CCTimeSource> m_timeSource;
+    OwnPtr<CCFrameRateControllerTimeSourceAdapter> m_timeSourceClientAdapter;
+};
+
+}
+#endif // CCFrameRateController_h