Add static version of map wrappers and corresponding serializers.

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@714 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/google_breakpad/processor/basic_source_line_resolver.h

@@ -64,6 +64,7 @@ class BasicSourceLineResolver : public SourceLineResolverBase {
  private:
   // friend declarations:
   friend class BasicModuleFactory;
+  template<class> friend class SimpleSerializer;
 
   // Function derives from SourceLineResolverBase::Function.
   struct Function;