Fix crashes when NinePatchLayer doesn't have a resource.

cc/layers/nine_patch_layer.cc

Index: cc/layers/nine_patch_layer.cc
diff --git a/cc/layers/nine_patch_layer.cc b/cc/layers/nine_patch_layer.cc
index e32f6e0b125230633449e3141994ee2c81d82bed..ea366e60fc7b291a8811bde5db0135aca17a5781 100644
--- a/cc/layers/nine_patch_layer.cc
+++ b/cc/layers/nine_patch_layer.cc
@@ -72,6 +72,11 @@ bool NinePatchLayer::Update(ResourceUpdateQueue* queue,
     bitmap_dirty_ = false;
     updated = true;
   }
+
+  // NinePatchLayer must push properties every commit to make sure
+  // NinePatchLayerImpl::resource_id_ is valid.
+  // http://crbug.com/276482
+  needs_push_properties_ = true;

[danakj, 2013/08/20 18:18:04]

Cool, just move this to the end of PushPropertiesTo() instead of doing it in
Update(), and this LGTM.

   return updated;
 }