Add "UninstallReason" parameter to ExtensionRegistryObserver::OnExtensionUninstalled.

chrome/browser/extensions/shared_module_service.h

Index: chrome/browser/extensions/shared_module_service.h
diff --git a/chrome/browser/extensions/shared_module_service.h b/chrome/browser/extensions/shared_module_service.h
index 997273db4b3e43f244eda9cbcb2cbeec93101aa8..9859e34044f09cae752ade0f9ba30b0f050ff8ec 100644
--- a/chrome/browser/extensions/shared_module_service.h
+++ b/chrome/browser/extensions/shared_module_service.h
@@ -62,8 +62,10 @@ class SharedModuleService : public ExtensionRegistryObserver {
   virtual void OnExtensionInstalled(content::BrowserContext* browser_context,
                                     const Extension* extension,
                                     bool is_update) OVERRIDE;
-  virtual void OnExtensionUninstalled(content::BrowserContext* browser_context,
-                                      const Extension* extension) OVERRIDE;
+  virtual void OnExtensionUninstalled(
+      content::BrowserContext* browser_context,
+      const Extension* extension,
+      extensions::UninstallReason reason) OVERRIDE;
 
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;