Add prefix to empty param tests.

googletest will no longer support empty prefix
for parameterized INSTANTIATE_TEST_SUITE_P.
Adding "All" prefix to existing empty prefix test suites.

This CL was uploaded by git cl split.

R=jsbell@chromium.org

Bug: 1023677
Change-Id: Id1edd2e303e6227cfd80aa983a05bf15134e457e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1957526
Auto-Submit: Ilia Samsonov <isamsonov@google.com>
Reviewed-by: Joshua Bell <jsbell@chromium.org>
Commit-Queue: Ilia Samsonov <isamsonov@google.com>
Cr-Commit-Position: refs/heads/master@{#726567}

chrome/browser/browsing_data/browsing_data_remover_browsertest.cc

@@ -1385,6 +1385,6 @@ IN_PROC_BROWSER_TEST_F(BrowsingDataRemoverBrowserTest,
 
 // Some storage backend use a different code path for full deletions and
 // partial deletions, so we need to test both.
-INSTANTIATE_TEST_SUITE_P(/* no prefix */,
+INSTANTIATE_TEST_SUITE_P(All,
                          BrowsingDataRemoverBrowserTestP,
                          ::testing::Values(base::Time(), kLastHour));