Cleanup from https://codereview.chromium.org/263643005/

https://codereview.chromium.org/263643005/ removed the
ExtensionService::ReportExtensionLoadError() method,
but apparently I forgot to remove it from the .h file.

Whoops.

BUG=351891
TBR=yoz@chromium.org

Review URL: https://codereview.chromium.org/292893002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271545 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/extension_service.h

@@ -342,14 +342,6 @@ class ExtensionService
   // Note that this may return NULL if autoupdate is not turned on.
   extensions::ExtensionUpdater* updater();
 
-  // Notify the frontend that there was an error loading an extension.
-  // This method is public because UnpackedInstaller and InstalledLoader
-  // can post to here.
-  // TODO(aa): Remove this. It doesn't do enough to be worth the dependency
-  // of these classes on ExtensionService.
-  void ReportExtensionLoadError(const base::FilePath& extension_path,
-                                const std::string& error);
-
   // ExtensionHost of background page calls this method right after its render
   // view has been created.
   void DidCreateRenderViewForBackgroundPage(extensions::ExtensionHost* host);