Creating functions for uploading a mipmapped texture.

src/gpu/SkGrPriv.h

Index: src/gpu/SkGrPriv.h
diff --git a/src/gpu/SkGrPriv.h b/src/gpu/SkGrPriv.h
index 593530997fd69bda5f0f4defd440709f041e911e..9d4f320b4b71b13273aba060bb2dcdc49609cf39 100644
--- a/src/gpu/SkGrPriv.h
+++ b/src/gpu/SkGrPriv.h
@@ -37,6 +37,13 @@ struct SkIRect;
  *
  *  Note: width/height must fit in 16bits for this impl.
  */
+void GrMakeKeyFromImageID(GrUniqueKey* key, uint32_t imageID, const SkIRect& imageBounds,
+                          bool isMipMapped);
+
+/**
+ * This function is a shim which calls the other GrMakeKeyFromImageID with
+ * isMipMapped = false
+ */
 void GrMakeKeyFromImageID(GrUniqueKey* key, uint32_t imageID, const SkIRect& imageBounds);
 
 /** Converts an SkPaint to a GrPaint for a given GrContext. The matrix is required in order