Rename DexFile to DexCache

Change-Id: I93fa3e4f7cf87fbaac974f0d2577628a23f0d8c2
diff --git a/src/object.cc b/src/object.cc
index fb80fb9..6d18beb 100644
--- a/src/object.cc
+++ b/src/object.cc
@@ -7,8 +7,8 @@
 
 #include "globals.h"
 #include "logging.h"
+#include "dex_cache.h"
 #include "dex_file.h"
-#include "raw_dex_file.h"
 
 namespace art {