Add "UninstallReason" parameter to ExtensionRegistryObserver::OnExtensionUninstalled.

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index 95bd11b59a60c1acf8058eb8a240f92079754066..64a5980d95dbc971eb9dc0247a2de62d45723ab9 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -25,6 +25,7 @@
 #include "extensions/browser/install_flag.h"
 #include "extensions/browser/management_policy.h"
 #include "extensions/browser/process_manager.h"
+#include "extensions/browser/uninstall_reason.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/common/manifest.h"
@@ -155,28 +156,11 @@ class ExtensionService
       public content::NotificationObserver,
       public extensions::Blacklist::Observer {
  public:
-  enum UninstallReason {
-    UNINSTALL_REASON_FOR_TESTING,         // Used for testing code only
-    UNINSTALL_REASON_USER_INITIATED,      // User performed some UI gesture
-    UNINSTALL_REASON_EXTENSION_DISABLED,  // Extension disabled due to error
-    UNINSTALL_REASON_STORAGE_THRESHOLD_EXCEEDED,
-    UNINSTALL_REASON_INSTALL_CANCELED,
-    UNINSTALL_REASON_MANAGEMENT_API,
-    UNINSTALL_REASON_SYNC,
-    UNINSTALL_REASON_ORPHANED_THEME,
-    UNINSTALL_REASON_ORPHANED_EPHEMERAL_EXTENSION,
-    // The entries below imply bypassing checking user has permission to
-    // uninstall the corresponding extension id.
-    UNINSTALL_REASON_ORPHANED_EXTERNAL_EXTENSION,
-    UNINSTALL_REASON_ORPHANED_SHARED_MODULE,
-    UNINSTALL_REASON_INTERNAL_MANAGEMENT  // Internal extensions (see usages)
-  };
-
   // Attempts to uninstall an extension from a given ExtensionService. Returns
   // true iff the target extension exists.
   static bool UninstallExtensionHelper(ExtensionService* extensions_service,
                                        const std::string& extension_id,
-                                       UninstallReason reason);
+                                       extensions::UninstallReason reason);
 
   // Constructor stores pointers to |profile| and |extension_prefs| but
   // ownership remains at caller.
@@ -265,7 +249,7 @@ class ExtensionService
   // with extensions that exist. |reason| lets the caller specify why the
   // extension is uninstalled.
   virtual bool UninstallExtension(const std::string& extension_id,
-                                  UninstallReason reason,
+                                  extensions::UninstallReason reason,
                                   base::string16* error);
 
   // Enables the extension.  If the extension is already enabled, does