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

ui/cc/cc/CCHeadsUpDisplay.h

Index: ui/cc/cc/CCHeadsUpDisplay.h
diff --git a/ui/cc/cc/CCHeadsUpDisplay.h b/ui/cc/cc/CCHeadsUpDisplay.h
new file mode 100644
index 0000000000000000000000000000000000000000..f7dc9c42e46678999b96fef1ed6fed2edbc68a3f
--- /dev/null
+++ b/ui/cc/cc/CCHeadsUpDisplay.h
@@ -0,0 +1,79 @@
+/*
+ * 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 CCHeadsUpDisplay_h
+#define CCHeadsUpDisplay_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "ManagedTexture.h"
+#include "cc/CCFontAtlas.h"
+
+namespace WebCore {
+
+class CCDebugRectHistory;
+class CCFrameRateCounter;
+class CCLayerTreeHostImpl;
+class GraphicsContext;
+
+struct CCLayerTreeSettings;
+
+// Class that handles drawing of composited render layers using GL.
+class CCHeadsUpDisplay {
+    WTF_MAKE_NONCOPYABLE(CCHeadsUpDisplay);
+public:
+    static PassOwnPtr<CCHeadsUpDisplay> create()
+    {
+        return adoptPtr(new CCHeadsUpDisplay());
+    }
+
+    ~CCHeadsUpDisplay();
+
+    void setFontAtlas(PassOwnPtr<CCFontAtlas>);
+
+    bool enabled(const CCLayerTreeSettings&) const;
+    void draw(CCLayerTreeHostImpl*);
+
+private:
+    CCHeadsUpDisplay() { };
+
+    /*
+    void drawHudContents(GraphicsContext*, CCLayerTreeHostImpl*, const CCLayerTreeSettings&, const IntSize& hudSize);
+    void drawFPSCounter(GraphicsContext*, CCFrameRateCounter*, int top, int height);
+    void drawFPSCounterText(GraphicsContext*, CCFrameRateCounter*, int top, int width, int height);
+    void drawDebugRects(GraphicsContext*, CCDebugRectHistory*, const CCLayerTreeSettings&);
+    */
+
+    bool showPlatformLayerTree(const CCLayerTreeSettings&) const;
+    bool showDebugRects(const CCLayerTreeSettings&) const;
+
+    OwnPtr<ManagedTexture> m_hudTexture;
+    OwnPtr<CCFontAtlas> m_fontAtlas;
+};
+
+}
+
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif