[Sync] Move some extension-sync-related logic to ExtensionService
Add ExtensionSyncData class to hold the data that goes between the
extension service and extension sync.
Add ProcessSyncData() method to ExtensionService (with unit tests!).
Remove now-unneeded extension sync functions.
BUG=77995
TEST=
Review URL: http://codereview.chromium.org/6852029
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@81899 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index acebfefd57..41b1b660 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -982,6 +982,8 @@
'browser/extensions/extension_sidebar_api.h',
'browser/extensions/extension_special_storage_policy.cc',
'browser/extensions/extension_special_storage_policy.h',
+ 'browser/extensions/extension_sync_data.cc',
+ 'browser/extensions/extension_sync_data.h',
'browser/extensions/extension_tab_id_map.cc',
'browser/extensions/extension_tab_id_map.h',
'browser/extensions/extension_tab_helper.cc',
