Small documentation fixes for printing.

Review URL: https://codereview.chromium.org/51143002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233248 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233248
[SyncFS] Add RemoteToLocalSyncer skeleton

 * Implements RemoteToLocalSyncer by the main point
 * Add necessary functions of MetadataDatabase as skeletons

BUG=240165
NOTRY=true

Review URL: https://codereview.chromium.org/59193003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233249 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233249