[Sync] Add histograms for cookie jar state on Sessions commit

sync/engine/commit.cc

Index: sync/engine/commit.cc
diff --git a/sync/engine/commit.cc b/sync/engine/commit.cc
index 5e3d72e1d96a7c9b0109e4a3898012f0abe7b9c3..66d0824fdd32c5a9ba31a3d17dfb96f460dbdd6f 100644
--- a/sync/engine/commit.cc
+++ b/sync/engine/commit.cc
@@ -32,21 +32,20 @@ Commit::~Commit() {
   DCHECK(cleaned_up_);
 }
 
-Commit* Commit::Init(
-    ModelTypeSet requested_types,
-    ModelTypeSet enabled_types,
-    size_t max_entries,
-    const std::string& account_name,
-    const std::string& cache_guid,
-    bool cookie_jar_mismatch,
-    CommitProcessor* commit_processor,
-    ExtensionsActivity* extensions_activity) {
+Commit* Commit::Init(ModelTypeSet requested_types,
+                     ModelTypeSet enabled_types,
+                     size_t max_entries,
+                     const std::string& account_name,
+                     const std::string& cache_guid,
+                     bool cookie_jar_mismatch,
+                     bool cookie_jar_empty,
+                     CommitProcessor* commit_processor,
+                     ExtensionsActivity* extensions_activity) {
   // Gather per-type contributions.
   ContributionMap contributions;
-  commit_processor->GatherCommitContributions(
-      requested_types,
-      max_entries,
-      &contributions);
+  commit_processor->GatherCommitContributions(requested_types, max_entries,
+                                              cookie_jar_mismatch,
+                                              cookie_jar_empty, &contributions);
 
   // Give up if no one had anything to commit.
   if (contributions.empty())