Make unittests work in component build

src/interface-descriptors.h

Index: src/interface-descriptors.h
diff --git a/src/interface-descriptors.h b/src/interface-descriptors.h
index 5250cbd3d2b425a61ab6474e7903a22fc2c3adc0..5645ca205fee0d817acf56be85f0afbf6d02a01a 100644
--- a/src/interface-descriptors.h
+++ b/src/interface-descriptors.h
@@ -8,6 +8,7 @@
 #include <memory>
 
 #include "src/assembler.h"
+#include "src/globals.h"
 #include "src/macro-assembler.h"
 
 namespace v8 {
@@ -92,7 +93,7 @@ class PlatformInterfaceDescriptor;
   V(InterpreterCEntry)                    \
   V(ResumeGenerator)
 
-class CallInterfaceDescriptorData {
+class V8_EXPORT_PRIVATE CallInterfaceDescriptorData {
  public:
   CallInterfaceDescriptorData() : register_param_count_(-1), param_count_(-1) {}