Fix registerProtocolHandler OS registration on Windows 8

chrome/browser/custom_handlers/protocol_handler_registry.h

Index: chrome/browser/custom_handlers/protocol_handler_registry.h
diff --git a/chrome/browser/custom_handlers/protocol_handler_registry.h b/chrome/browser/custom_handlers/protocol_handler_registry.h
index 895f510d6882260b4a44e634b05d2ef59bfd5d58..25de95501759c7a112a54635fe2d440d214ecddd 100644
--- a/chrome/browser/custom_handlers/protocol_handler_registry.h
+++ b/chrome/browser/custom_handlers/protocol_handler_registry.h
@@ -43,6 +43,8 @@ class ProtocolHandlerRegistry : public ProfileKeyedService {
     virtual void SetDefaultWebClientUIState(
         ShellIntegration::DefaultWebClientUIState state) OVERRIDE;
 
+    virtual bool IsInteractiveSetDefaultPermitted() OVERRIDE;
+
     // Give the observer a handle to the worker, so we can find out the protocol
     // when we're called and also tell the worker if we get deleted.
     void SetWorker(ShellIntegration::DefaultProtocolClientWorker* worker);