Revert "Bug 1932150 - Fix build bustage" for causing build bustages.

This reverts commit 0681b181d6.

Revert "Bug 1932150 - Fix lint failure" for causing Build bustage.

This reverts commit 60cc0878d3.

Revert "Bug 1932150 - Add new test cases for selection in flat tree r=smaug"

This reverts commit 3dbe5fc183.

Revert "Bug 1932150 - Make selection code to correctly iterate flattened tree r=smaug"

This reverts commit 6f7a1e4886.

Revert "Bug 1932150 - ContentSubtreeIterator #3: Fix a bug in ContentSubtreeIterator where the end container is in the light DOM of a shadow host r=jjaschke"

This reverts commit 19ce2c5806.

Revert "Bug 1932150 - ContentSubtreeIterator #2: Allow ContentSubtreeIterator to iterate nodes in flattened tree r=jjaschke"

This reverts commit d9d192bc3a.

Revert "Bug 1932150 - ContentSubtreeIterator #1: Make the end container related logic in ContentSubtreeIterator more robust r=jjaschke,smaug,dom-core"

This reverts commit 2fbde5b84d.

Revert "Bug 1932150 - Update ranges to correctly set and update nodes for flattened selection r=jjaschke,smaug,dom-core"

This reverts commit 116d26c37f.

Revert "Bug 1932150 - Allow using flat tree order for point comparing in selection r=jjaschke,smaug,dom-core"

This reverts commit 2ba73e1639.

Revert "Bug 1932150 - Fix some inconsistency about indicating whether the selection is allowed to cross the shadow boundary r=jjaschke,dom-core"

This reverts commit 793c2453f1.

layout/base/PresShell.cpp

@@ -5063,8 +5063,7 @@ nsRect PresShell::ClipListToRange(nsDisplayListBuilder* aBuilder,
         // if the node is within the range, append it to the temporary list
         bool before, after;
         nsresult rv =
-            RangeUtils::CompareNodeToRange<TreeKind::ShadowIncludingDOM>(
-                content, aRange, &before, &after);
+            RangeUtils::CompareNodeToRange(content, aRange, &before, &after);
         if (NS_SUCCEEDED(rv) && !before && !after) {
           itemToInsert = i;
           bool snap;