Update sync protos to use the new shared protoc gyp rules

Just a refactoring.

Review URL: http://codereview.chromium.org/7677034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97484 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index fd0bc4d..976b3de 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -9,7 +9,7 @@
       'type': 'static_library',
       'dependencies': [
         'app/policy/cloud_policy_codegen.gyp:policy',
-        'browser/sync/protocol/sync_proto.gyp:sync_proto_cpp',
+        'browser/sync/protocol/sync_proto.gyp:sync_proto',
         'chrome_extra_resources',
         'chrome_resources',
         'chrome_strings',