drive: Stop comparing resource ID against kDriveGrandRootLocalId

chrome/browser/chromeos/drive/change_list_processor.h

Index: chrome/browser/chromeos/drive/change_list_processor.h
diff --git a/chrome/browser/chromeos/drive/change_list_processor.h b/chrome/browser/chromeos/drive/change_list_processor.h
index 2f8d4a5035073b386bdced22223dfa805751bb87..57926bf92dbe44653bad3727d77d5a5088d21b82 100644
--- a/chrome/browser/chromeos/drive/change_list_processor.h
+++ b/chrome/browser/chromeos/drive/change_list_processor.h
@@ -33,14 +33,19 @@ class ResourceMetadata;
 class DirectoryFetchInfo {
  public:
   DirectoryFetchInfo() : changestamp_(0) {}
-  DirectoryFetchInfo(const std::string& resource_id,
+  DirectoryFetchInfo(const std::string& local_id,
+                     const std::string& resource_id,
                      int64 changestamp)
-      : resource_id_(resource_id),
+      : local_id_(local_id),
+        resource_id_(resource_id),
         changestamp_(changestamp) {
   }
 
   // Returns true if the object is empty.
-  bool empty() const { return resource_id_.empty(); }
+  bool empty() const { return local_id_.empty(); }
+
+  // Local ID of the directory.
+  const std::string& local_id() const { return local_id_; }
 
   // Resource ID of the directory.
   const std::string& resource_id() const { return resource_id_; }
@@ -53,6 +58,7 @@ class DirectoryFetchInfo {
   std::string ToString() const;
 
  private:
+  const std::string local_id_;
   const std::string resource_id_;
   const int64 changestamp_;
 };