Reland https://codereview.chromium.org/276493002: Enable ToolsSanityTest.SingleElementDeletedWithBr…

Reland https://codereview.chromium.org/276493002: Enable ToolsSanityTest.SingleElementDeletedWithBraces and ToolsSanityTest.ArrayDeletedWithoutBraces under AddressSanitizer on Linux.

Also make sure the tests aren't disabled under non-ASan on OSX.

BUG=172614
TBR=thakis@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=270383

[Alexander Potapenko, 2014-05-14 08:28:46]

TBR

[Alexander Potapenko, 2014-05-14 09:25:04]

The CQ bit was checked by glider@chromium.org

[commit-bot: I haz the power, 2014-05-14 09:25:39]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/glider@chromium.org/282843003/1

[commit-bot: I haz the power, 2014-05-14 10:55:38]

FYI, CQ is re-trying this CL (attempt #1).
Please consider checking whether the failures are real,
and report flakes to chrome-troopers@google.com.
The failing builders are:
  android_clang_dbg on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_clang_dbg/bui...)
  ios_rel_device on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/ios_rel_device/builds...)
  linux_chromium_chromeos_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_chrome...)

[commit-bot: I haz the power, 2014-05-14 11:50:38]

Change committed as 270383