Load mac sandbox definitions from resources instead of the bundle.

content/test/test_content_client.h

Index: content/test/test_content_client.h
diff --git a/content/test/test_content_client.h b/content/test/test_content_client.h
index d4b27bf1017fec0dfe6398b24a4e7244fe5db327..fb2fce7b1eecad23eff2d449a49dccd9f9db971a 100644
--- a/content/test/test_content_client.h
+++ b/content/test/test_content_client.h
@@ -8,6 +8,7 @@
 
 #include "base/compiler_specific.h"
 #include "content/public/common/content_client.h"
+#include "ui/base/resource/data_pack.h"
 
 class TestContentClient : public content::ContentClient {
  public:
@@ -32,6 +33,8 @@ class TestContentClient : public content::ContentClient {
 #endif
 
  private:
+  ui::DataPack data_pack_;
+
   DISALLOW_COPY_AND_ASSIGN(TestContentClient);
 };