SyncFS: Add AppRootDeletion tests


BUG=240165
TEST=unit_tests --gtest_filter=RemoteToLocalSyncerTest.AppRootDeletion
TEST=unit_tests --gtest_filter=LocalToRemoteSyncerTest.AppRootDeletion

Review URL: https://codereview.chromium.org/98793003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239688 0039d316-1c4b-4281-b951-d872f2087c98
Do not include ui/base/ui_export.h where it isn't used.

UI_EXPORT isn't used in those headers, that means ui_export.h is unused
and thus we can remove it from those files.

Patch generated by the following command lines:

$ git grep -l ui/base/ui_export.h > ../ui-export-list
$ for f in $(cat ../ui-export-list); do if ! grep -q 'UI_EXPORT' $f; then echo $f; fi; done

Plus manual editing to remove the includes.

BUG=299841
TEST=None
TBR=ben@chromium.org

Review URL: https://codereview.chromium.org/98853007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239689 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 239689