skiaserve: Use snakeCase for JSON identifiers.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2108823006

Review-Url: https://codereview.chromium.org/2108823006
diff --git a/tools/debugger/SkDrawCommand.cpp b/tools/debugger/SkDrawCommand.cpp
index 22655a0..281b539 100644
--- a/tools/debugger/SkDrawCommand.cpp
+++ b/tools/debugger/SkDrawCommand.cpp
@@ -91,7 +91,7 @@
 #define SKDEBUGCANVAS_ATTRIBUTE_TEXTURECOORDS     "textureCoords"
 #define SKDEBUGCANVAS_ATTRIBUTE_FILTERQUALITY     "filterQuality"
 
-#define SKDEBUGCANVAS_ATTRIBUTE_SHORTDESC         "short-desc"
+#define SKDEBUGCANVAS_ATTRIBUTE_SHORTDESC         "shortDesc"
 
 #define SKDEBUGCANVAS_VERB_MOVE                   "move"
 #define SKDEBUGCANVAS_VERB_LINE                   "line"