DM: JSON Debug Sink

Currently, the following GMs crash the debug canvas:
    ~dont_clip_to_layer
    ~imageblur
    ~imagefilterscropped
    ~pictureimagefilter
    ~savelayer_lcdtext
    ~textfilter_image
// TODO(halcanary): fix this.

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=3742

Change-Id: Ieed3502119cd639fe345f3a41d436d5e39f3bdf1
Reviewed-on: https://skia-review.googlesource.com/3742
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Hal Canary <halcanary@google.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/dm/DM.cpp b/dm/DM.cpp
index 36808ad168..42922c2c0b 100644
--- a/dm/DM.cpp
+++ b/dm/DM.cpp
@@ -883,6 +883,7 @@ static Sink* create_sink(const SkCommandLineConfig* config) {
         SINK("null", NullSink);
         SINK("xps",  XPSSink);
         SINK("pdfa", PDFSink, true);
+        SINK("jsdebug", DebugSink);
     }
 #undef SINK
     return nullptr;