[Sync] Prevent uploading throttled datatypes.

chrome/browser/sync/engine/get_commit_ids_command.h

Index: chrome/browser/sync/engine/get_commit_ids_command.h
diff --git a/chrome/browser/sync/engine/get_commit_ids_command.h b/chrome/browser/sync/engine/get_commit_ids_command.h
index dcdbc519bede157a1107eb1787895656accddd98..6422e736b14a8f1bcf9ceb63c67b860dae694236 100644
--- a/chrome/browser/sync/engine/get_commit_ids_command.h
+++ b/chrome/browser/sync/engine/get_commit_ids_command.h
@@ -33,7 +33,8 @@ class GetCommitIdsCommand : public SyncerCommand {
   // Builds a vector of IDs that should be committed.
   void BuildCommitIds(const vector<int64>& unsynced_handles,
                       syncable::WriteTransaction* write_transaction,
-                      const ModelSafeRoutingInfo& routes);
+                      const ModelSafeRoutingInfo& routes,
+                      const syncable::ModelTypeSet& throttled_types);
 
   // TODO(chron): Remove writes from this iterator. As a warning, this
   // iterator causes writes to entries and so isn't a pure iterator.
@@ -109,27 +110,35 @@ class GetCommitIdsCommand : public SyncerCommand {
 
  private:
   // Removes all entries not ready for commit from |unsynced_handles|.
-  // An entry is considered unready for commit if it's in conflict or requires
-  // (re)encryption. Any datatype requiring encryption while the cryptographer
-  // is missing a passphrase is considered unready for commit.
+  // An entry is considered unready for commit if:
+  // 1. It's in conflict or requires (re)encryption. Any datatype requiring
+  //     encryption while the cryptographer is missing a passphrase is
+  //     considered unready for commit.
+  // 2. Its type is currently throttled.
   void FilterUnreadyEntries(
       syncable::BaseTransaction* trans,
+      const syncable::ModelTypeSet& throttled_types,
       syncable::Directory::UnsyncedMetaHandles* unsynced_handles);
 
   void AddUncommittedParentsAndTheirPredecessors(
       syncable::BaseTransaction* trans,
       syncable::Id parent_id,
-      const ModelSafeRoutingInfo& routes);
+      const ModelSafeRoutingInfo& routes,
+      const syncable::ModelTypeSet& throttled_types);
 
   // OrderedCommitSet helpers for adding predecessors in order.
   // TODO(ncarter): Refactor these so that the |result| parameter goes away,
   // and AddItem doesn't need to consider two OrderedCommitSets.
-  bool AddItem(syncable::Entry* item, sessions::OrderedCommitSet* result);
+  bool AddItem(syncable::Entry* item,
+               const syncable::ModelTypeSet& throttled_types,
+               sessions::OrderedCommitSet* result);
   bool AddItemThenPredecessors(syncable::BaseTransaction* trans,
+                               const syncable::ModelTypeSet& throttled_types,
                                syncable::Entry* item,
                                syncable::IndexedBitField inclusion_filter,
                                sessions::OrderedCommitSet* result);
   void AddPredecessorsThenItem(syncable::BaseTransaction* trans,
+                               const syncable::ModelTypeSet& throttled_types,
                                syncable::Entry* item,
                                syncable::IndexedBitField inclusion_filter,
                                const ModelSafeRoutingInfo& routes);
@@ -138,7 +147,8 @@ class GetCommitIdsCommand : public SyncerCommand {
 
   void AddCreatesAndMoves(const vector<int64>& unsynced_handles,
                           syncable::WriteTransaction* write_transaction,
-                          const ModelSafeRoutingInfo& routes);
+                          const ModelSafeRoutingInfo& routes,
+                          const syncable::ModelTypeSet& throttled_types);
 
   void AddDeletes(const vector<int64>& unsynced_handles,
                   syncable::WriteTransaction* write_transaction);