Move ui/base/accessibility to ui/accessibility.

Gets rid of the enums defined in accessibility_types.h and switches to the
enums defined in ui/accessibility/ax_enums.h, which are shared by "content".

Eventually, content and views may share more common accessibility code, but
moving to the same enums is a good first step.

BUG=316726
R=piman@chromium.org, sky@chromium.org, tfarina@chromium.org

Review URL: https://codereview.chromium.org/126763003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253207 0039d316-1c4b-4281-b951-d872f2087c98
Generalize sqlite3 randomByte suppression

TBR=zhaoqin@chromium.org
BUG=http://code.google.com/p/drmemory/issues/detail?id=851

Review URL: https://codereview.chromium.org/179333005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253208 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253208