Add "UninstallReason" parameter to ExtensionRegistryObserver::OnExtensionUninstalled.

chrome/browser/extensions/extension_context_menu_model.cc

Index: chrome/browser/extensions/extension_context_menu_model.cc
diff --git a/chrome/browser/extensions/extension_context_menu_model.cc b/chrome/browser/extensions/extension_context_menu_model.cc
index e06d3a73e5e092b3d8f38f4ca3f33468cee7d184..1890a0ec9e1186626eb5f0a234c74e6e470328a2 100644
--- a/chrome/browser/extensions/extension_context_menu_model.cc
+++ b/chrome/browser/extensions/extension_context_menu_model.cc
@@ -23,6 +23,7 @@
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/management_policy.h"
+#include "extensions/browser/uninstall_reason.h"
 #include "extensions/common/extension.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
@@ -146,9 +147,8 @@ void ExtensionContextMenuModel::ExtensionUninstallAccepted() {
   if (GetExtension()) {
     extensions::ExtensionSystem::Get(profile_)
         ->extension_service()
-        ->UninstallExtension(extension_id_,
-                             ExtensionService::UNINSTALL_REASON_USER_INITIATED,
-                             NULL);
+        ->UninstallExtension(
+            extension_id_, extensions::UNINSTALL_REASON_USER_INITIATED, NULL);
   }
   Release();
 }