Better logging in extension update code for case of invalid crx urls

chrome/browser/extensions/updater/extension_downloader.cc

Index: chrome/browser/extensions/updater/extension_downloader.cc
diff --git a/chrome/browser/extensions/updater/extension_downloader.cc b/chrome/browser/extensions/updater/extension_downloader.cc
index 2c0e6fa7006c0aa233438d5cda3493c0ede569de..a19c8df17f18dd2fffb93a8486733d86a0a20b11 100644
--- a/chrome/browser/extensions/updater/extension_downloader.cc
+++ b/chrome/browser/extensions/updater/extension_downloader.cc
@@ -544,7 +544,8 @@ void ExtensionDownloader::FetchUpdatedExtension(const std::string& id,
                                                 const std::string& version) {
   if (!url.is_valid()) {
     // TODO(asargent): This can sometimes be invalid. See crbug.com/130881.
-    LOG(ERROR) << "Invalid URL: " << url.spec();
+    LOG(ERROR) << "Invalid URL: '" << url.possibly_invalid_spec()
+               << "' for extension " << id;
     return;
   }