cc/blink: Veto checker-imaging for multipart image resources.

cc/paint/paint_image.cc

Index: cc/paint/paint_image.cc
diff --git a/cc/paint/paint_image.cc b/cc/paint/paint_image.cc
index a13b972b88bdcb5fd33b5ff6abfa56b98d887f65..d751b4773d778e06b0151a1f605082a89c7570e3 100644
--- a/cc/paint/paint_image.cc
+++ b/cc/paint/paint_image.cc
@@ -15,12 +15,14 @@ PaintImage::PaintImage(Id id,
                        sk_sp<SkImage> sk_image,
                        AnimationType animation_type,
                        CompletionState completion_state,
-                       size_t frame_count)
+                       size_t frame_count,
+                       bool is_multipart)
     : id_(id),
       sk_image_(std::move(sk_image)),
       animation_type_(animation_type),
       completion_state_(completion_state),
-      frame_count_(frame_count) {}
+      frame_count_(frame_count),
+      is_multipart_(is_multipart) {}
 PaintImage::PaintImage(const PaintImage& other) = default;
 PaintImage::PaintImage(PaintImage&& other) = default;
 PaintImage::~PaintImage() = default;
@@ -32,7 +34,8 @@ bool PaintImage::operator==(const PaintImage& other) const {
   return id_ == other.id_ && sk_image_ == other.sk_image_ &&
          animation_type_ == other.animation_type_ &&
          completion_state_ == other.completion_state_ &&
-         frame_count_ == other.frame_count_;
+         frame_count_ == other.frame_count_ &&
+         is_multipart_ == other.is_multipart_;
 }
 
 PaintImage::Id PaintImage::GetNextId() {