Remove CodeItem accessor functions

These are replaced by the accessor helpers.

Bug: 63756964
Test: test-art-host
Test: test/testrunner/testrunner.py --host -j30

Change-Id: Ic93d60b68b684eeb5f69be286b4e15b8f8f97542
diff --git a/compiler/driver/dex_compilation_unit.h b/compiler/driver/dex_compilation_unit.h
index 24a9a5b..cdc505f 100644
--- a/compiler/driver/dex_compilation_unit.h
+++ b/compiler/driver/dex_compilation_unit.h
@@ -20,6 +20,7 @@
 #include <stdint.h>
 
 #include "base/arena_object.h"
+#include "code_item_accessors.h"
 #include "dex_file.h"
 #include "handle.h"
 #include "jni.h"
@@ -112,6 +113,10 @@
     return dex_cache_;
   }
 
+  const CodeItemDataAccessor& GetCodeItemAccessor() const {
+    return code_item_accessor_;
+  }
+
  private:
   const Handle<mirror::ClassLoader> class_loader_;
 
@@ -127,6 +132,8 @@
 
   const Handle<mirror::DexCache> dex_cache_;
 
+  const CodeItemDataAccessor code_item_accessor_;
+
   std::string symbol_;
 };