Expose semantics of HTML5 native elements (landmark and related roles)
for assistive technologies on Windows. This changeset adds support for

- article (xml-roles:article)
- header (xml-roles:banner)
- aside (xml-roles:complementary)
- address (xml-roles:contentinfo)
- footer (xml-roles:contentinfo)
- main (xml-roles:main)
- nav (xml-roles:navigation)
- section (xml-roles:region)

Patch from Takeshi Kurosawa <taken.spc@gmail.com>
BUG=253027
TEST=content\renderer\accessibility\accessibility_node_serializer.cc

Review URL: https://codereview.chromium.org/98183011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243522 0039d316-1c4b-4281-b951-d872f2087c98
[SyncFS] Move APIUtil constants to V2 directory.

 * Move shared constants between V1 and V2 to drive_backend_constants.
 * Drop dependency from FakeDriveServiceHelper to APIUtil

BUG=331991

Review URL: https://codereview.chromium.org/103013003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243523 0039d316-1c4b-4281-b951-d872f2087c98
gpu: Support parallel active queries in command buffer

Add support for having multiple queries to be active at the same time
given that their targets are different.

BUG=328808

Review URL: https://codereview.chromium.org/106623008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243524 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243523
Files.app: Use types and constants generated by the IDL compiler in the event router.

Event names and dictionary values in the event router of Files.app can be
replaced with constants and types generated by the IDL compiler.

BUG=330638
TEST=none

Review URL: https://codereview.chromium.org/107813005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243525 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243525