Re-enable the two blink heap unit tests.

These should work now after fixing bug 340591.

R=ager@chromium.org, erik.corry@gmail.com, haraken@chromium.org, vegorov@chromium.org, zerny@chromium.org
BUG=340591

Review URL: https://codereview.chromium.org/147123010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249388 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249388
drive: Stop triggering fast fetch when showing filesystem contents in chrome://drive-internals

BUG=341346
TEST=Open chrome://drive-internals, click "Show" button in "File System Contents" section, see no operation begins in "In-flight Operations" section"

Review URL: https://codereview.chromium.org/156523002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249389 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249389
Add support for threading and atomic ops in QNX Neutrino.

BUG=

Patch by:
Eli Fidler <efidler@blackberry.com>,
Jeff Rogers <jrogers@blackberry.com>,
Cosmin Truta <ctruta@blackberry.com>.

Review URL: https://codereview.chromium.org/156233002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249390 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249390