Fix header build breakage caused by moving GrGpu.h to src dir



git-svn-id: http://skia.googlecode.com/svn/trunk@2120 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/SkGrTexturePixelRef.h b/include/gpu/SkGrTexturePixelRef.h
index 0e1b3b6..1df10cb 100644
--- a/include/gpu/SkGrTexturePixelRef.h
+++ b/include/gpu/SkGrTexturePixelRef.h
@@ -13,7 +13,9 @@
 
 #include "SkBitmap.h"
 #include "SkPixelRef.h"
-#include "GrGpu.h"
+#include "GrTexture.h"
+#include "GrRenderTarget.h"
+
 
 /**
  *  Common baseclass that implements onLockPixels() by calling onReadPixels().