Revert "Disable flaky CorruptionOnDisk."

This reverts commit 301064ba.

Reason for revert: There haven't been any flakes since https://crrev.com/25a48a5b landed, and that CL was fixing other flakes within the same test fixture. Very likely the same underlying cause, and very likely fixed already.

Original change's description:
> Disable flaky CorruptionOnDisk.
> 
> See bug.
> 
> TBR=dmurph@chromium.org, mpearson@chromium.org, rockot@chromium.org, mek@chromium.org, jam@chromium.org
> 
> Bug: 1010414
> Change-Id: I4a87b8873a878cedeaf5d87bc62474a2adaa1444
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1834088
> Reviewed-by: Henrik Boström <hbos@chromium.org>
> Commit-Queue: Henrik Boström <hbos@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#701993}

TBR=mpearson@chromium.org,dmurph@chromium.org,jam@chromium.org,rockot@google.com,mek@chromium.org,hbos@chromium.org

Change-Id: I3817ca06b75a15f6fc2d4e993887430c16649a8a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1010414
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1835067Reviewed-by: Ken Rockot <rockot@google.com>
Commit-Queue: Ken Rockot <rockot@google.com>
Cr-Commit-Position: refs/heads/master@{#702109}

content/browser/dom_storage/session_storage_context_mojo_unittest.cc

@@ -613,9 +613,7 @@ TEST_F(SessionStorageContextMojoTest, InvalidVersionOnDisk) {
   ShutdownContext();
 }
 
-// TODO(https://crbug.com/1010414): This test is flaky on various Linux bots and
-// fuchsia_x64 (does that count as OS_LINUX or not?); fix and re-enable.
-TEST_F(SessionStorageContextMojoTest, DISABLED_CorruptionOnDisk) {
+TEST_F(SessionStorageContextMojoTest, CorruptionOnDisk) {
   std::string namespace_id = base::GenerateGUID();
   url::Origin origin = url::Origin::Create(GURL("http://foobar.com"));