[Extensions] Make chrome://extensions use api functions for file access, reload

chrome/browser/extensions/api/developer_private/developer_private_api.h

Index: chrome/browser/extensions/api/developer_private/developer_private_api.h
diff --git a/chrome/browser/extensions/api/developer_private/developer_private_api.h b/chrome/browser/extensions/api/developer_private/developer_private_api.h
index 4023560beb87c3e1961bcea86cf5a674d3749ad6..cb455a0b9a4e829bf3d3aa09a3a4dbae7e8ba8b4 100644
--- a/chrome/browser/extensions/api/developer_private/developer_private_api.h
+++ b/chrome/browser/extensions/api/developer_private/developer_private_api.h
@@ -228,7 +228,7 @@ class DeveloperPrivateInspectFunction : public ChromeSyncExtensionFunction {
 };
 
 class DeveloperPrivateAllowFileAccessFunction
-    : public ChromeSyncExtensionFunction {
+    : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("developerPrivate.allowFileAccess",
                              DEVELOPERPRIVATE_ALLOWFILEACCESS);
@@ -237,7 +237,7 @@ class DeveloperPrivateAllowFileAccessFunction
   ~DeveloperPrivateAllowFileAccessFunction() override;
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class DeveloperPrivateAllowIncognitoFunction
@@ -253,7 +253,7 @@ class DeveloperPrivateAllowIncognitoFunction
   ResponseAction Run() override;
 };
 
-class DeveloperPrivateReloadFunction : public ChromeSyncExtensionFunction {
+class DeveloperPrivateReloadFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("developerPrivate.reload",
                              DEVELOPERPRIVATE_RELOAD);
@@ -262,7 +262,7 @@ class DeveloperPrivateReloadFunction : public ChromeSyncExtensionFunction {
   ~DeveloperPrivateReloadFunction() override;
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class DeveloperPrivateShowPermissionsDialogFunction