Add the navigation redirect-chain to Sync sessions proto for offline analysis.

content/public/common/page_transition_types.cc

Index: content/public/common/page_transition_types.cc
diff --git a/content/public/common/page_transition_types.cc b/content/public/common/page_transition_types.cc
index 52a0561765d35139c60d0386705622e08c1b7150..704a284ac14c34aa3e270919eb236a11a28898f5 100644
--- a/content/public/common/page_transition_types.cc
+++ b/content/public/common/page_transition_types.cc
@@ -47,6 +47,15 @@ bool PageTransitionIsRedirect(PageTransition type) {
   return (type & PAGE_TRANSITION_IS_REDIRECT_MASK) != 0;
 }
 
+bool PageTransitionIsForwardBack(PageTransition type) {
+  return (type & PAGE_TRANSITION_FORWARD_BACK) != 0;

[Charlie Reis, 2014/04/05 00:09:10]

We generally don't expose new public functions until they're needed.  Let's just
put this clause inside PageTransitionIsNewNavigation and not add
PageTransitionIsForwardBack.

[Donn Denman, 2014/04/09 21:09:21]

Done.

+}
+
+bool PageTransitionIsNewNavigation(PageTransition type) {
+  return !(PageTransitionIsForwardBack(type) ||
+      PageTransitionCoreTypeIs(type, content::PAGE_TRANSITION_RELOAD));
+}
+
 int32 PageTransitionGetQualifier(PageTransition type) {
   return type & PAGE_TRANSITION_QUALIFIER_MASK;
 }