Display dialog when app install succeeds / fails on Athena

athena/extensions/public/extensions_delegate.h

Index: athena/extensions/public/extensions_delegate.h
diff --git a/athena/extensions/public/extensions_delegate.h b/athena/extensions/public/extensions_delegate.h
index 95d88f5cebfd520fb218b3afa97af1eac216e9ef..c33fd25e111e39151bc6f87201588adf5bfc3b54 100644
--- a/athena/extensions/public/extensions_delegate.h
+++ b/athena/extensions/public/extensions_delegate.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "athena/athena_export.h"
+#include "base/memory/scoped_ptr.h"
 
 namespace content {
 class BrowserContext;
@@ -15,6 +16,7 @@ class WebContents;
 }
 
 namespace extensions {
+class ExtensionInstallUI;
 class ExtensionSet;
 }
 
@@ -52,6 +54,9 @@ class ATHENA_EXPORT ExtensionsDelegate {
   // Unload an application. Returns true if the application was
   // successfully unloaded.
   virtual bool UnloadApp(const std::string& app_id) = 0;
+
+  virtual scoped_ptr<extensions::ExtensionInstallUI>
+  CreateExtensionInstallUI() = 0;
 };
 
 }  // namespace athena