[Sync] Move //sync to //components/sync.

chrome/browser/DEPS

 include_rules = [
   "+apps",
   "+ash",
   "+chrome/app",
   "+chrome/chrome_watcher",
   "+chrome/grit",  # For generated headers
   "+chrome/installer",
   "+chrome_elf/blacklist",
   "+chrome_elf/chrome_elf_constants.h",
   "+chrome_elf/create_file",
@@ skipping 32 matching lines @@
   "+services/ui/public",
   "+policy",  # For generated headers and source
   "+ppapi/c",  # For various types.
   "+ppapi/host",
   "+ppapi/proxy",
   "+ppapi/shared_impl",
   "+rlz",
   "+sandbox/win/src",  # The path doesn't say it, but this is the Windows sandbox.
   "+services/shell",
   "+skia/ext",
-  "+sync/api",  # Sync API files.
-  "+sync/internal_api/public/attachments",  # Needed for tests.
-  "+sync/internal_api/public/base",
-  "+sync/protocol",  # Sync protobuf files.
-  "+sync/util",  # Sync utilities like GetSessionName.
   "+syzygy/kasko",
   "+third_party/cros_system_api",
   "+third_party/kasko",
   "+win8/util",
 
   # chrome only needs switches from cc. All usage of the compositor is from
   # content. Definitely don't include generic stuff from cc/base here, if this
   # is needed these files need to move to base/
   "+cc/base/switches.h",
 
@@ skipping 39 matching lines @@
   "+third_party/WebKit/public/platform/modules/permissions/permission_status.mojom.h",
   "+third_party/WebKit/public/web/WebCache.h",
   "+third_party/WebKit/public/web/WebContextMenuData.h",
   "+third_party/WebKit/public/web/WebFindOptions.h",
   "+third_party/WebKit/public/web/WebInputEvent.h",
   "+third_party/WebKit/public/web/WebMediaPlayerAction.h",
   "+third_party/WebKit/public/web/WebPluginAction.h",
   "+third_party/WebKit/public/web/WebTextDirection.h",
   "+third_party/WebKit/public/web/WebWindowFeatures.h",
 ]