Snapshot of all changes to get jumbo in blink and content.

components/sync/BUILD.gn

Index: components/sync/BUILD.gn
diff --git a/components/sync/BUILD.gn b/components/sync/BUILD.gn
index d3402fa132cae7dd1ff7133fbdacef90301acfe5..6d7d380fd12b33a88abdde010a9412879c077f65 100644
--- a/components/sync/BUILD.gn
+++ b/components/sync/BUILD.gn
@@ -4,9 +4,12 @@
 
 import("//build/buildflag_header.gni")
 import("//build/config/features.gni")
+#import("//build/config/jumbo.gni")
 import("//components/sync/protocol/protocol_sources.gni")
 import("//testing/test.gni")
 
+#jumbo_target("sync") {
+#  target_type = "static_library"
 static_library("sync") {
   sources = [
     "base/attachment_id_proto.cc",