Restructure sandbox code to reduce dependencies pulled in by intercept code.

sandbox/win/src/service_resolver.h

Index: sandbox/win/src/service_resolver.h
diff --git a/sandbox/win/src/service_resolver.h b/sandbox/win/src/service_resolver.h
index 3eb9e0838109e322c9a871a02e6b02cead3a7090..00896922049ad45b569a111f97384cb97f57782b 100644
--- a/sandbox/win/src/service_resolver.h
+++ b/sandbox/win/src/service_resolver.h
@@ -43,6 +43,9 @@ class ServiceResolverThunk : public ResolverThunk {
   // Implementation of Resolver::GetThunkSize.
   virtual size_t GetThunkSize() const;
 
+  // Call this to set up ntdll_base_ which will allow for local patches.
+  virtual void AllowLocalPatches();
+
  protected:
   // The unit test will use this member to allow local patch on a buffer.
   HMODULE ntdll_base_;