remove unused code form GraphicBuffer

Change-Id: I0dd67f1f93f654331e8f17b55730931dbc695ca7
diff --git a/include/ui/GraphicBuffer.h b/include/ui/GraphicBuffer.h
index 8184b7d..3cf628c 100644
--- a/include/ui/GraphicBuffer.h
+++ b/include/ui/GraphicBuffer.h
@@ -99,13 +99,16 @@
     status_t unlock();
 
     ANativeWindowBuffer* getNativeBuffer() const;
-    
-    void setIndex(int index);
-    int getIndex() const;
 
     // for debugging
     static void dumpAllocationsToSystemLog();
 
+    // Flattenable protocol
+    size_t getFlattenedSize() const;
+    size_t getFdCount() const;
+    status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const;
+    status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
+
 private:
     ~GraphicBuffer();
 
@@ -137,16 +140,8 @@
 
     void free_handle();
 
-    // Flattenable protocol
-    size_t getFlattenedSize() const;
-    size_t getFdCount() const;
-    status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const;
-    status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
-
-
     GraphicBufferMapper& mBufferMapper;
     ssize_t mInitCheck;
-    int mIndex;
 
     // If we're wrapping another buffer then this reference will make sure it
     // doesn't get freed.