diff --git a/include/ui/GraphicBuffer.h b/include/ui/GraphicBuffer.h
index 3da720f..3e127a1 100644
--- a/include/ui/GraphicBuffer.h
+++ b/include/ui/GraphicBuffer.h
@@ -26,6 +26,7 @@
 #include <utils/Flattenable.h>
 #include <utils/RefBase.h>
 
+#include <string>
 
 struct ANativeWindowBuffer;
 
@@ -73,7 +74,7 @@
 
     // creates w * h buffer
     GraphicBuffer(uint32_t inWidth, uint32_t inHeight, PixelFormat inFormat,
-            uint32_t inUsage);
+            uint32_t inUsage, std::string requestorName = "<Unknown>");
 
     // create a buffer from an existing handle
     GraphicBuffer(uint32_t inWidth, uint32_t inHeight, PixelFormat inFormat,
@@ -159,7 +160,7 @@
     const GraphicBuffer& operator = (const GraphicBuffer& rhs) const;
 
     status_t initSize(uint32_t inWidth, uint32_t inHeight, PixelFormat inFormat,
-            uint32_t inUsage);
+            uint32_t inUsage, std::string requestorName);
 
     void free_handle();