Revert 246484 "Re-enable all unit tests."

These tests don't fail when run on the device, but fail when run from within autotest.

BUG=337582

> Re-enable all unit tests.
> 
> BUG=331940
> TEST=manual
> 
> Review URL: https://codereview.chromium.org/134153012

TBR=achuith@chromium.org

Review URL: https://codereview.chromium.org/139083005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247047 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247047
Don't include liblouis tests in browser_tests on Linux builds other than chromeos.

BUG=337566
R=dtseng@chromium.org
TESTED=Build a Linux desktop browser_tests build, verify that
out/Release/resources/chromeos/chromevox/ doesn't exist, build with chroeos=1
and verify that the oposite is true.

Review URL: https://codereview.chromium.org/139773007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247048 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247048
Revert 246997 "Fix crash when accidentally touching the screen d..."

Potentiallly causes asan error on:
http://build.chromium.org/p/chromium.memory/builders/Linux%20Chromium%20OS%20ASAN%20Tests%20%281%29/builds/15363

> Fix crash when accidentally touching the screen during a multi window resize
> 
> BUG=330672
> TEST=WidgetTest.WidgetDeleted_InOnMouseCaptureLost
>      *DetachToBrowserTabDragControllerTest.*
> 
> Review URL: https://codereview.chromium.org/122153002

TBR=pkotwicz@chromium.org

Review URL: https://codereview.chromium.org/147513002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247050 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247050