Disk cache v3 ref2

net/disk_cache/addr.cc

Index: net/disk_cache/addr.cc
===================================================================
--- net/disk_cache/addr.cc	(revision 232523)
+++ net/disk_cache/addr.cc	(working copy)
@@ -26,6 +26,20 @@
   return true;
 }
 
+Addr Addr::AsExternal() const {
+  DCHECK(file_type() == BLOCK_FILES);
+  Addr new_addr(value_);
+  new_addr.SetFileType(EXTERNAL);
+  return new_addr;
+}
+
+Addr Addr::AsBlockFile() const {
+  DCHECK(is_separate_file());
+  Addr new_addr(value_);
+  new_addr.SetFileType(BLOCK_FILES);
+  return new_addr;
+}
+
 bool Addr::SanityCheckV2() const {
   if (!is_initialized())
     return !value_;
@@ -89,4 +103,9 @@
   return true;
 }
 
+void Addr::SetFileType(FileType type) {
+  value_ &= ~kFileTypeMask;
+  value_ += type << kFileTypeOffset;
+}
+
 }  // namespace disk_cache