Round the size of shared memory regions up to 64K.  This allows native client modules to map these regions.  With this fix, Pepper audio works on all three platforms.
Round the size of shared memory regions up to 64K.  This allows
native client modules to map these regions.  With this fix,
Pepper audio works on all three platforms.

Review URL: http://codereview.chromium.org/1242006

git-svn-id: http://src.chromium.org/svn/trunk/src@42621 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: df19e3690687c80e1be2712a8ddaa36c457ccc99
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser