Another way to handle not unloading objc modules.

base/native_library.h

Index: base/native_library.h
diff --git a/base/native_library.h b/base/native_library.h
index 37d72295d678509274ca81a7b384b8b220c23689..7b1f53239ded77c536735b0686e61ae47dcfc945 100644
--- a/base/native_library.h
+++ b/base/native_library.h
@@ -14,6 +14,7 @@
 #if defined(OS_WIN)
 #include <windows.h>
 #elif defined(OS_MACOSX)
+#include "base/files/file_path.h"
 #import <CoreFoundation/CoreFoundation.h>
 #endif  // OS_*
 
@@ -40,6 +41,7 @@ enum NativeLibraryType {
 struct NativeLibraryStruct {
   NativeLibraryType type;
   CFBundleRefNum bundle_resource_ref;
+  base::FilePath image_path;
   union {
     CFBundleRef bundle;
     void* dylib;