Move dex_files_for_oat_file_ to CompilerOptions.

A step toward removing the CompilerDriver dependency from
several classes, including HSharpening and ImageWriter.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Change-Id: I364ef66511fdf855cb11b12c818a40572b037727
diff --git a/compiler/common_compiler_test.cc b/compiler/common_compiler_test.cc
index 7491173..52c767f 100644
--- a/compiler/common_compiler_test.cc
+++ b/compiler/common_compiler_test.cc
@@ -40,6 +40,7 @@
 #include "oat_quick_method_header.h"
 #include "scoped_thread_state_change-inl.h"
 #include "thread-current-inl.h"
+#include "utils/atomic_dex_ref_map-inl.h"
 
 namespace art {
 
@@ -332,4 +333,10 @@
   image_reservation_.reset();
 }
 
+void CommonCompilerTest::SetDexFilesForOatFile(const std::vector<const DexFile*>& dex_files) {
+  compiler_options_->dex_files_for_oat_file_ = dex_files;
+  compiler_driver_->compiled_classes_.AddDexFiles(dex_files);
+  compiler_driver_->dex_to_dex_compiler_.SetDexFiles(dex_files);
+}
+
 }  // namespace art