Add type argument to pepper content decryptor method GenerateKeyRequest().

webkit/plugins/ppapi/ppapi_plugin_instance.cc

Index: webkit/plugins/ppapi/ppapi_plugin_instance.cc
diff --git a/webkit/plugins/ppapi/ppapi_plugin_instance.cc b/webkit/plugins/ppapi/ppapi_plugin_instance.cc
index 1409d788588bc8b95e130091238f14ae7bd0aec9..8567284ee2dda38eae0e9f6dcf6691e51ab56c93 100644
--- a/webkit/plugins/ppapi/ppapi_plugin_instance.cc
+++ b/webkit/plugins/ppapi/ppapi_plugin_instance.cc
@@ -1634,9 +1634,13 @@ bool PluginInstance::GenerateKeyRequest(const std::string& key_system,
       PpapiGlobals::Get()->GetVarTracker()->MakeArrayBufferPPVar(
           init_data.size(), init_data.data());
 
+  // TODO(tomfinegan): Add type argument to this method, and stop passing an
+  // empty string.
+  const std::string type = "";
   plugin_decryption_interface_->GenerateKeyRequest(
       pp_instance(),
       StringVar::StringToPPVar(key_system),
+      StringVar::StringToPPVar(type),
       init_data_array);
   return true;
 }