ART: Convert pointer size to enum

Move away from size_t to dedicated enum (class).

Bug: 30373134
Bug: 30419309
Test: m test-art-host
Change-Id: Id453c330f1065012e7d4f9fc24ac477cc9bb9269
diff --git a/test/497-inlining-and-class-loader/clear_dex_cache.cc b/test/497-inlining-and-class-loader/clear_dex_cache.cc
index 50d1a63..1597c4a 100644
--- a/test/497-inlining-and-class-loader/clear_dex_cache.cc
+++ b/test/497-inlining-and-class-loader/clear_dex_cache.cc
@@ -15,6 +15,7 @@
  */
 
 #include "art_method-inl.h"
+#include "base/enums.h"
 #include "jni.h"
 #include "scoped_thread_state_change.h"
 #include "stack.h"
@@ -44,8 +45,8 @@
   CHECK(array != nullptr);
   mirror::PointerArray* pointer_array = soa.Decode<mirror::PointerArray*>(array);
   for (size_t i = 0; i != num_methods; ++i) {
-    ArtMethod* method = mirror::DexCache::GetElementPtrSize(methods, i, sizeof(void*));
-    pointer_array->SetElementPtrSize(i, method, sizeof(void*));
+    ArtMethod* method = mirror::DexCache::GetElementPtrSize(methods, i, kRuntimePointerSize);
+    pointer_array->SetElementPtrSize(i, method, kRuntimePointerSize);
   }
   return array;
 }
@@ -61,8 +62,8 @@
   CHECK_EQ(methods != nullptr, old != nullptr);
   CHECK_EQ(num_methods, static_cast<size_t>(old->GetLength()));
   for (size_t i = 0; i != num_methods; ++i) {
-    ArtMethod* method = old->GetElementPtrSize<ArtMethod*>(i, sizeof(void*));
-    mirror::DexCache::SetElementPtrSize(methods, i, method, sizeof(void*));
+    ArtMethod* method = old->GetElementPtrSize<ArtMethod*>(i, kRuntimePointerSize);
+    mirror::DexCache::SetElementPtrSize(methods, i, method, kRuntimePointerSize);
   }
 }