Rename abstract method code_ to entry_point_from_compiled_code_.

Change-Id: I9b02d2df95bbeafa6e6387b461f574c57337a61e
diff --git a/src/compiler/driver/compiler_driver.cc b/src/compiler/driver/compiler_driver.cc
index 6b7d9e6..6985172 100644
--- a/src/compiler/driver/compiler_driver.cc
+++ b/src/compiler/driver/compiler_driver.cc
@@ -809,7 +809,7 @@
     if (Runtime::Current()->GetHeap()->FindSpaceFromObject(method)->IsImageSpace()) {
       direct_method = reinterpret_cast<uintptr_t>(method);
     }
-    direct_code = reinterpret_cast<uintptr_t>(method->GetCode());
+    direct_code = reinterpret_cast<uintptr_t>(method->GetEntryPointFromCompiledCode());
   }
 }