Remove FieldHelper.

Change-Id: I2d74e2d5b3c35a691c95339de0db9361847fca11
diff --git a/runtime/debugger.cc b/runtime/debugger.cc
index 49b132d..dae1566 100644
--- a/runtime/debugger.cc
+++ b/runtime/debugger.cc
@@ -25,7 +25,6 @@
 #include "class_linker-inl.h"
 #include "dex_file-inl.h"
 #include "dex_instruction.h"
-#include "field_helper.h"
 #include "gc/accounting/card_table-inl.h"
 #include "gc/space/large_object_space.h"
 #include "gc/space/space-inl.h"
@@ -1924,7 +1923,7 @@
         HandleWrapper<mirror::Object> h_v(hs.NewHandleWrapper(&v));
         HandleWrapper<mirror::ArtField> h_f(hs.NewHandleWrapper(&f));
         HandleWrapper<mirror::Object> h_o(hs.NewHandleWrapper(&o));
-        field_type = FieldHelper(h_f).GetType();
+        field_type = h_f->GetType(true);
       }
       if (!field_type->IsAssignableFrom(v->GetClass())) {
         return JDWP::ERR_INVALID_OBJECT;