Convert base::Bind and base::Callback in //chrome/chrome_elf to Once or Repeating

This CL converts base::Bind and base::Callback in //chrome/chrome_elf to
Once or Repeating

Bug: 1007636
Change-Id: I0e8a92d4b768978ca3c0e580dfcd93da02547ed8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2064409Reviewed-by: Patrick Monette <pmonette@chromium.org>
Commit-Queue: Jun Cai <juncai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#742912}

chrome/chrome_elf/run_all_unittests.cc

@@ -21,5 +21,5 @@ int main(int argc, char** argv) {
   base::TestSuite test_suite(argc, argv);
   return base::LaunchUnitTests(
       argc, argv,
-      base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));
+      base::BindOnce(&base::TestSuite::Run, base::Unretained(&test_suite)));
 }