Rename 5 SVG text tests to reflect that they are for selection.

This patch renames the following SVG text tests because they are
actually testing selection. The associated expectation files have
been updated as well. Belows are renamed files list.

1. text-text-01-b.svg -> text-selection-text-01-b.svg
2. text-text-03-b.svg -> text-selection-text-03-b.svg
3. text-text-04-t.svg -> text-selection-text-04-t.svg
4. text-text-05-t.svg -> text-selection-text-05-t.svg
5. text-text-06-t.svg -> text-selection-text-06-t.svg
6. text-text-01-b-expected.png -> text-selection-text-01-b-expected.png
7. text-text-01-b-expected.txt -> text-selection-text-01-b-expected.txt
8. text-text-03-b-expected.png -> text-selection-text-03-b-expected.png
9. text-text-03-b-expected.txt -> text-selection-text-03-b-expected.txt
10. text-text-04-t-expected.png -> text-selection-text-04-t-expected.png
11. text-text-04-t-expected.txt -> text-selection-text-04-t-expected.txt
12. text-text-05-t-expected.png -> text-selection-text-05-t-expected.png
13. text-text-05-t-expected.txt -> text-selection-text-05-t-expected.txt
14. text-text-06-t-expected.png -> text-selection-text-06-t-expected.png
15. text-text-06-t-expected.txt -> text-selection-text-06-t-expected.txt

BUG=477550

Review URL: https://codereview.chromium.org/1049863003

git-svn-id: svn://svn.chromium.org/blink/trunk@194425 bbb929c8-8fbe-4397-9dbb-9b2b20218538
69 files changed