Add CCDelegatingRenderer, and corresponding IPCs

cc/CCDelegatingRenderer.h

Index: cc/CCDelegatingRenderer.h
diff --git a/cc/CCDelegatingRenderer.h b/cc/CCDelegatingRenderer.h
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+++ b/cc/CCDelegatingRenderer.h
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+/*
+ * Copyright (C) 2012 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.
+ */
+
+#ifndef CCDelegatingRenderer_h
+#define CCDelegatingRenderer_h
+
+#include "cc/CCRenderer.h"
+#include <public/WebGraphicsContext3D.h>
+#include "wtf/PassOwnPtr.h"
+
+namespace WebCore {
+
+class CCResourceProvider;
+
+class CCDelegatingRenderer : public CCRenderer,
+                             public WebKit::WebGraphicsContext3D::WebGraphicsContextLostCallback {
+    WTF_MAKE_NONCOPYABLE(CCDelegatingRenderer);
+public:
+    static PassOwnPtr<CCDelegatingRenderer> create(CCRendererClient*, CCResourceProvider*);
+    virtual ~CCDelegatingRenderer();
+
+    virtual const RendererCapabilities& capabilities() const OVERRIDE { return m_capabilities; }
+
+    virtual void drawFrame(const CCRenderPassList&, const CCRenderPassIdHashMap&) OVERRIDE;
+
+    virtual void finish() { }
+
+    virtual bool swapBuffers() OVERRIDE;
+
+    virtual void getFramebufferPixels(void *pixels, const IntRect&) OVERRIDE;
+
+    virtual bool isContextLost() OVERRIDE;
+
+    virtual void setVisible(bool) OVERRIDE;
+
+    virtual void onSendFrameToParentCompositorAck(const WebKit::WebCompositorFrameAck&) OVERRIDE;
+
+    // WebGraphicsContext3D::WebGraphicsContextLostCallback implementation.
+    virtual void onContextLost() OVERRIDE;
+
+private:
+    CCDelegatingRenderer(CCRendererClient*, CCResourceProvider*);
+    bool initialize();
+
+    CCResourceProvider* m_resourceProvider;
+    RendererCapabilities m_capabilities;
+    bool m_visible;
+};
+
+}
+
+#endif // CCDelegatingRenderer_h