Show alert failure for reloading unpacked extensions with bad manifest

chrome/browser/extensions/unpacked_installer.cc

Index: chrome/browser/extensions/unpacked_installer.cc
diff --git a/chrome/browser/extensions/unpacked_installer.cc b/chrome/browser/extensions/unpacked_installer.cc
index cb7966f8908b27b491430611cfdbff67953ee48d..b6f123af952ebdcf0c45818d179536953826ac4e 100644
--- a/chrome/browser/extensions/unpacked_installer.cc
+++ b/chrome/browser/extensions/unpacked_installer.cc
@@ -114,7 +114,7 @@ UnpackedInstaller::UnpackedInstaller(ExtensionService* extension_service)
     : service_weak_(extension_service->AsWeakPtr()),
       prompt_for_plugins_(true),
       require_modern_manifest_version_(true),
-      be_noisy_on_failure_(true),
+      be_noisy_on_failure_(false),
       installer_(extension_service->profile()) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
@@ -296,8 +296,6 @@ void UnpackedInstaller::LoadWithFileAccess(int flags) {
 
 void UnpackedInstaller::ReportExtensionLoadError(const std::string &error) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  if (!on_failure_callback_.is_null())
-    on_failure_callback_.Run(extension_path_, error);
 
   if (service_weak_.get()) {
     ExtensionErrorReporter::GetInstance()->ReportLoadError(