Initial clear server data impl

chrome/browser/sync/test/integration/sync_datatype_helper.h

Index: chrome/browser/sync/test/integration/sync_datatype_helper.h
diff --git a/chrome/browser/sync/test/integration/sync_datatype_helper.h b/chrome/browser/sync/test/integration/sync_datatype_helper.h
index 770cfc3325b2452a6ffa4c267cf47904d265f973..4a85b1627bf64ad338fdc9bfb5215e53b79d8ef3 100644
--- a/chrome/browser/sync/test/integration/sync_datatype_helper.h
+++ b/chrome/browser/sync/test/integration/sync_datatype_helper.h
@@ -15,6 +15,12 @@ namespace sync_datatype_helper {
 // used.
 void AssociateWithTest(SyncTest* test);
 
+// Dissociates the test from us. When running tests consecutively, the tests

[wylieb, 2017/03/08 00:58:51]

I think I was mistaken on this one! Removing

+// will fail by an assertion that there's already a test associated with this.
+// This function serves to reset the static variable, and allows for consecutive
+// runs without issue.
+void DissociateWithTest(SyncTest* test);
+
 // Returns a pointer to the instance of SyncTest associated with the
 // per-datatype helpers after making sure it is valid.
 SyncTest* test();