Add JSON test specs for master.chromium.mac

BUG=332239, 338501
R=navabi@google.com

Review URL: https://codereview.chromium.org/184063003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254918 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254918
Fix resizing of packaged app windows.

The easy resize targeter is now installed when the app window does not
have a native frame (instead of the opposite).

BUG=338671
TEST=Make sure v2 apps with frame:none and normal frames can be resized.

Review URL: https://codereview.chromium.org/185623006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254919 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254919
refactor ResolveNTFunctionPtr

makes access to ntdll thread-safe
removes retry/sleep loop

BUG=11789
Test=Chrome loads on Windows without crashing

Review URL: https://codereview.chromium.org/185063003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254921 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254921