Revert of Port uses of SkLazyPtr to SkOncePtr.

src/core/SkBigPicture.h

Index: src/core/SkBigPicture.h
diff --git a/src/core/SkBigPicture.h b/src/core/SkBigPicture.h
index 2e42213539f2ee92b359a1b607b19d10081cf731..dfd6b800acb09dc38c2517d304abd5159fde410a 100644
--- a/src/core/SkBigPicture.h
+++ b/src/core/SkBigPicture.h
@@ -8,7 +8,7 @@
 #ifndef SkBigPicture_DEFINED
 #define SkBigPicture_DEFINED
 
-#include "SkOncePtr.h"
+#include "SkLazyPtr.h"
 #include "SkPicture.h"
 #include "SkTemplates.h"
 
@@ -79,7 +79,7 @@
 
     const SkRect                          fCullRect;
     const size_t                          fApproxBytesUsedBySubPictures;
-    SkOncePtr<const Analysis>             fAnalysis;
+    SkLazyPtr<const Analysis>             fAnalysis;
     SkAutoTUnref<const SkRecord>          fRecord;
     SkAutoTDelete<const SnapshotArray>    fDrawablePicts;
     SkAutoTUnref<const SkBBoxHierarchy>   fBBH;