Expose DumpException() in ModuleSystem.

chrome/renderer/module_system.h

Index: chrome/renderer/module_system.h
diff --git a/chrome/renderer/module_system.h b/chrome/renderer/module_system.h
index 65b49d40dc7b0d7f9daf659450ec5ecb2e1666be..897121daa5349735ef2b1b7b055ab09e6175627d 100644
--- a/chrome/renderer/module_system.h
+++ b/chrome/renderer/module_system.h
@@ -58,6 +58,9 @@ class ModuleSystem : public NativeHandler {
   // Returns true if the current context has a ModuleSystem installed in it.
   static bool IsPresentInCurrentContext();
 
+  // Dumps the given exception message to LOG(ERROR).
+  static void DumpException(v8::Handle<v8::Message> message);
+
   // Require the specified module. This is the equivalent of calling
   // require('module_name') from the loaded JS files.
   void Require(const std::string& module_name);