Add an infrastructure to query history.google.com about other forms of browsing history.

components/browsing_data/BUILD.gn

Index: components/browsing_data/BUILD.gn
diff --git a/components/browsing_data/BUILD.gn b/components/browsing_data/BUILD.gn
index e8af5b63d9ba0d91952ad2aad3213f762da749d7..af7dd0842cc81135ed1487ee47d0b15eb7b18b35 100644
--- a/components/browsing_data/BUILD.gn
+++ b/components/browsing_data/BUILD.gn
@@ -5,6 +5,8 @@
 static_library("browsing_data") {
   output_name = "browsing_data"
   sources = [
+    "history_notice_utils.cc",
+    "history_notice_utils.h",
     "storage_partition_http_cache_data_remover.cc",
     "storage_partition_http_cache_data_remover.h",
   ]
@@ -13,6 +15,8 @@ static_library("browsing_data") {
 
   deps = [
     "//base",
+    "//components/browser_sync/browser",

[blundell, 2016/03/16 15:49:08]

actually, a question: Why no corresponding dependency chain changes for GN
(i.e., making some deps into public_deps)? Are things already set up correctly
in the GN dependency chain here?

[msramek, 2016/03/16 16:01:08]

Yes, I tried compiling with GN, and there sync.pb.h was correctly generated.

+    "//components/history/core/browser",
     "//content/public/browser",
     "//net",
   ]