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diff --git a/services/surfaceflinger/ExSurfaceFlinger/ExVirtualDisplaySurface.h b/services/surfaceflinger/ExSurfaceFlinger/ExVirtualDisplaySurface.h
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+++ b/services/surfaceflinger/ExSurfaceFlinger/ExVirtualDisplaySurface.h
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+/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR 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 ANDROID_EX_VIRTUAL_DISPLAY_SURFACE_H
+#define ANDROID_EX_VIRTUAL_DISPLAY_SURFACE_H
+
+#include <DisplayHardware/VirtualDisplaySurface.h>
+
+namespace android {
+
+class ExVirtualDisplaySurface : public VirtualDisplaySurface {
+public:
+    ExVirtualDisplaySurface(HWComposer& hwc, int32_t dispId,
+            const sp<IGraphicBufferProducer>& sink,
+            const sp<IGraphicBufferProducer>& bqProducer,
+            const sp<IGraphicBufferConsumer>& bqConsumer,
+            const String8& name,
+            bool secure);
+
+private:
+    virtual status_t beginFrame(bool mustRecompose);
+    virtual void setOutputUsage(uint32_t flag);
+    bool mSecure;
+    int mSinkUsage;
+};
+
+}; // namespace android
+
+#endif // ANDROID_EX_VIRTUAL_DISPLAY_SURFACE_H
+