Creating functions for uploading a mipmapped texture.

include/gpu/GrTexture.h

Index: include/gpu/GrTexture.h
diff --git a/include/gpu/GrTexture.h b/include/gpu/GrTexture.h
index ddba94065be2600847422bc887b89db46f62f9a0..aa2f5a1c78fe32d1312d76b192fa82826a8532dd 100644
--- a/include/gpu/GrTexture.h
+++ b/include/gpu/GrTexture.h
@@ -46,6 +46,7 @@ public:
 
 protected:
     GrTexture(GrGpu*, LifeCycle, const GrSurfaceDesc&);
+    GrTexture(GrGpu*, LifeCycle, const GrSurfaceDesc&, bool wasMipMapDataProvided);
 
     void validateDesc() const;
 
@@ -60,7 +61,8 @@ private:
     };
 
     MipMapsStatus   fMipMapsStatus;
-    // These two shift a fixed-point value into normalized coordinates	
+    int             fMaxMipMapLevel;
+    // These two shift a fixed-point value into normalized coordinates
     // for this texture if the texture is power of two sized.
     int             fShiftFixedX;
     int             fShiftFixedY;