Serialize invNormRotation in SkLightingShader.

include/core/SkPicture.h

Index: include/core/SkPicture.h
diff --git a/include/core/SkPicture.h b/include/core/SkPicture.h
index 808944b5ef00548fdeb7fbd3befe2f2d467a30c9..78067b3a898b262c60d5532971a062977a30410c 100644
--- a/include/core/SkPicture.h
+++ b/include/core/SkPicture.h
@@ -206,10 +206,11 @@ private:
     // V42: Added a bool to SkPictureShader serialization to indicate did-we-serialize-a-picture?
     // V43: Added DRAW_IMAGE and DRAW_IMAGE_RECT opt codes to serialized data
     // V44: Move annotations from paint to drawAnnotation
+    // V45: Add invNormRotation to SkLightingShader.
 
     // Only SKPs within the min/current picture version range (inclusive) can be read.
     static const uint32_t     MIN_PICTURE_VERSION = 35;     // Produced by Chrome M39.
-    static const uint32_t CURRENT_PICTURE_VERSION = 44;
+    static const uint32_t CURRENT_PICTURE_VERSION = 45;
 
     static_assert(MIN_PICTURE_VERSION <= 41,
                   "Remove kFontFileName and related code from SkFontDescriptor.cpp.");