ABANDONED CL: Introducing a compile-time-safe SavePackageId type.

content/browser/download/save_package.h

Index: content/browser/download/save_package.h
diff --git a/content/browser/download/save_package.h b/content/browser/download/save_package.h
index 8c0620895d403dd781b27f97d2abc2936d380644..5906332f4f742910adbecd92fda02fe7afc08613 100644
--- a/content/browser/download/save_package.h
+++ b/content/browser/download/save_package.h
@@ -15,6 +15,7 @@
 #include "base/containers/hash_tables.h"
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
+#include "base/id_type.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
@@ -119,7 +120,8 @@ class CONTENT_EXPORT SavePackage
   bool canceled() const { return user_canceled_ || disk_error_occurred_; }
   bool finished() const { return finished_; }
   SavePageType save_type() const { return save_type_; }
-  int id() const { return unique_id_; }
+
+  SavePackageId id() const { return unique_id_; }
 
   void GetSaveInfo();
 
@@ -393,7 +395,7 @@ class CONTENT_EXPORT SavePackage
   WaitState wait_state_;
 
   // Unique ID for this SavePackage.
-  const int unique_id_;
+  const SavePackageId unique_id_;
 
   // Variables to record errors that happened so we can record them via
   // UMA statistics.