Introduce browser_sync::ExtensionsActivityMonitor to collect extensions API u...

chrome/browser/sync/engine/process_commit_response_command.h

Index: chrome/browser/sync/engine/process_commit_response_command.h
===================================================================
--- chrome/browser/sync/engine/process_commit_response_command.h	(revision 30121)
+++ chrome/browser/sync/engine/process_commit_response_command.h	(working copy)
@@ -23,7 +23,7 @@
 class ProcessCommitResponseCommand : public ModelChangingSyncerCommand {
  public:
 
-  ProcessCommitResponseCommand();
+  explicit ProcessCommitResponseCommand(ExtensionsActivityMonitor* monitor);
   virtual ~ProcessCommitResponseCommand();
 
   virtual void ModelChangingExecuteImpl(SyncerSession* session);
@@ -36,6 +36,9 @@
       std::set<syncable::Id>* deleted_folders,
       SyncerSession* const session);
 
+  // Actually does the work of execute.
+  void ProcessCommitResponse(SyncerSession* session);
+
   void ProcessSuccessfulCommitResponse(syncable::WriteTransaction* trans,
       const CommitResponse_EntryResponse& server_entry,
       const syncable::Id& pre_commit_id, syncable::MutableEntry* local_entry,
@@ -47,6 +50,10 @@
       const CommitResponse_EntryResponse& server_entry,
       syncable::MutableEntry* local_entry);
 
+  // We may need to update this with records from a commit attempt if the
+  // attempt failed.
+  ExtensionsActivityMonitor* extensions_monitor_;
+
   DISALLOW_COPY_AND_ASSIGN(ProcessCommitResponseCommand);
 };