Fix memory leak

include/gpu/GrDrawContext.h

Index: include/gpu/GrDrawContext.h
diff --git a/include/gpu/GrDrawContext.h b/include/gpu/GrDrawContext.h
index 44d5fe4ec537a8a381e5832b98d3b9808e1120f8..66ccff7052c0b9e869b42f586183f568607ab14f 100644
--- a/include/gpu/GrDrawContext.h
+++ b/include/gpu/GrDrawContext.h
@@ -310,17 +310,17 @@ private:
 
     GrDrawTarget* getDrawTarget();
 
-    GrDrawingManager*   fDrawingManager;
-    GrRenderTarget*     fRenderTarget;
+    GrDrawingManager*                 fDrawingManager;
+    GrRenderTarget*                   fRenderTarget;
 
     // In MDB-mode the drawTarget can be closed by some other drawContext that has picked
     // it up. For this reason, the drawTarget should only ever be accessed via 'getDrawTarget'.
-    GrDrawTarget*       fDrawTarget;
-    GrAtlasTextContext* fAtlasTextContext;
-    GrContext*          fContext;
+    GrDrawTarget*                     fDrawTarget;
+    SkAutoTDelete<GrAtlasTextContext> fAtlasTextContext;
+    GrContext*                        fContext;
 
-    SkSurfaceProps      fSurfaceProps;
-    GrAuditTrail*       fAuditTrail;
+    SkSurfaceProps                    fSurfaceProps;
+    GrAuditTrail*                     fAuditTrail;
 
     // In debug builds we guard against improper thread handling
     SkDEBUGCODE(mutable GrSingleOwner* fSingleOwner;)