DOM Storage: enable cross-origin commit coalescing by default.

Bug: 340200017
Change-Id: I308864d409c4410c4b254fd4f9dbedd8830e5c5c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5815530
Commit-Queue: Evan Stade <estade@chromium.org>
Reviewed-by: Ayu Ishii <ayui@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1348313}
diff --git a/components/services/storage/dom_storage/features.cc b/components/services/storage/dom_storage/features.cc
index fcb464ff..2bb751e 100644
--- a/components/services/storage/dom_storage/features.cc
+++ b/components/services/storage/dom_storage/features.cc
@@ -8,7 +8,7 @@
 
 BASE_FEATURE(kCoalesceStorageAreaCommits,
              "CoalesceStorageAreaCommits",
-             base::FEATURE_DISABLED_BY_DEFAULT);
+             base::FEATURE_ENABLED_BY_DEFAULT);
 
 BASE_FEATURE(kDeleteOrphanLocalStorageOnStartup,
              "DeleteOrphanLocalStorageOnStartup",