[skottie] Json cleanup pass

Assorted Json tweaks:

  - more defensive internal object access
  - drop unneeded isObject checks
  - drop unneeded namespace
  - restrict the iterator to arrays

TBR=
Change-Id: I02f1c5d84c429cf5206bc2a0a7843097b92bac94
Reviewed-on: https://skia-review.googlesource.com/126930
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/experimental/skottie/SkottieAnimator.cpp b/experimental/skottie/SkottieAnimator.cpp
index d8cc6e7769..4554409761 100644
--- a/experimental/skottie/SkottieAnimator.cpp
+++ b/experimental/skottie/SkottieAnimator.cpp
@@ -74,9 +74,6 @@ protected:
             return;
 
         for (const json::ValueRef jframe : jframes) {
-            if (!jframe.isObject())
-                continue;
-
             float t0;
             if (!jframe["t"].to(&t0))
                 continue;