Move WebAXObjectProxy and AccessibleController from CppBoundClass to gin::Wrappable

BUG=297480, 331301

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=253821

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=254432

Review URL: https://codereview.chromium.org/172263002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255342 0039d316-1c4b-4281-b951-d872f2087c98
[SyncFS] Change RemoteFileSyncService interface to accept per-app conflict resolution policy

BUG=347424

Review URL: https://codereview.chromium.org/185563011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255343 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255343
telemetry: deprecate GetModernizedTestName which is not used anymore

PageTestRunner.GetModernizedTestName was used to support old testnames to be specified, but it is not used anymore. The conversion map in tools/perf/run_measurement
 was already empty.

NOTRY=true
BUG=None

Review URL: https://codereview.chromium.org/183893036

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255344 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255344