Adding a PictureResolution option to SkPictureImageFilter

include/core/SkPicture.h

Index: include/core/SkPicture.h
diff --git a/include/core/SkPicture.h b/include/core/SkPicture.h
index 07eca144b883201fb0bd1d59b7030ee7a2273e80..7db4e09d1fb7470a661b930d60077816e562e630 100644
--- a/include/core/SkPicture.h
+++ b/include/core/SkPicture.h
@@ -246,13 +246,14 @@ private:
     // V35: Store SkRect (rather then width & height) in header
     // V36: Remove (obsolete) alphatype from SkColorTable
     // V37: Added shadow only option to SkDropShadowImageFilter
+    // V37: Added PictureResolution and FilterLevel options to SkPictureImageFilter
 
     // Note: If the picture version needs to be increased then please follow the
     // steps to generate new SKPs in (only accessible to Googlers): http://goo.gl/qATVcw
 
     // Only SKPs within the min/current picture version range (inclusive) can be read.
     static const uint32_t MIN_PICTURE_VERSION = 19;
-    static const uint32_t CURRENT_PICTURE_VERSION = 37;
+    static const uint32_t CURRENT_PICTURE_VERSION = 38;
 
     void createHeader(SkPictInfo* info) const;
     static bool IsValidPictInfo(const SkPictInfo& info);