Bug 1579401. wr-blob: Merge if condition. r=nical

No need to check twice and this will make it cleaner when we change the condition.

Differential Revision: https://phabricator.services.mozilla.com/D44994

--HG--
extra : moz-landing-system : lando

gfx/layers/wr/WebRenderCommandBuilder.cpp

@@ -794,11 +794,6 @@ struct DIGroup {
       if (!mInvalidRect.Contains(bounds)) {
         GP("Passing\n");
         dirty = false;
-      }
-
-      if (mInvalidRect.Contains(bounds)) {
-        GP("Wholely contained\n");
-      } else {
         BlobItemData* data = GetBlobItemData(item);
         if (data->mInvalid) {
           if (item->GetType() == DisplayItemType::TYPE_TRANSFORM) {