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/driver/compiler_options.h b/compiler/driver/compiler_options.h
index 0709faf..908ff33 100644
--- a/compiler/driver/compiler_options.h
+++ b/compiler/driver/compiler_options.h
@@ -235,6 +235,10 @@
     return no_inline_from_;
   }
 
+  const std::vector<const DexFile*>& GetDexFilesForOatFile() const {
+    return dex_files_for_oat_file_;
+  }
+
   const HashSet<std::string>& GetImageClasses() const {
     return image_classes_;
   }
@@ -313,6 +317,9 @@
   // prefer vector<> over a lookup-oriented container, such as set<>.
   std::vector<const DexFile*> no_inline_from_;
 
+  // List of dex files associated with the oat file, empty for JIT.
+  std::vector<const DexFile*> dex_files_for_oat_file_;
+
   // Image classes, specifies the classes that will be included in the image if creating an image.
   // Must not be empty for real boot image, only for tests pretending to compile boot image.
   HashSet<std::string> image_classes_;