Improve error messaging of webRequest API in case of conflicts

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index 18a4fd560fc7968ca20484973201be2cd5060693..dcac717b8432ba477453a3c1617e06589f468509 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -351,7 +351,6 @@ ExtensionService::ExtensionService(Profile* profile,
       update_once_all_providers_are_ready_(false),
       app_sync_bundle_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
       extension_sync_bundle_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
-      extension_warnings_(profile),
       app_shortcut_manager_(profile) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
@@ -825,12 +824,6 @@ bool ExtensionService::UninstallExtension(
         1, 2);
   }
 
-  // Uninstalling one extension might have solved the problems of others.
-  // Therefore, we clear warnings of this type for all extensions.
-  std::set<ExtensionWarningSet::WarningType> warnings;
-  extension_warnings_.GetWarningsAffectingExtension(extension_id, &warnings);
-  extension_warnings_.ClearWarnings(warnings);
-
   return true;
 }
 
@@ -928,12 +921,6 @@ void ExtensionService::DisableExtension(
   }
 
   SyncExtensionChangeIfNeeded(*extension);
-
-  // Deactivating one extension might have solved the problems of others.
-  // Therefore, we clear warnings of this type for all extensions.
-  std::set<ExtensionWarningSet::WarningType> warnings;
-  extension_warnings_.GetWarningsAffectingExtension(extension_id, &warnings);
-  extension_warnings_.ClearWarnings(warnings);
 }
 
 void ExtensionService::GrantPermissionsAndEnableExtension(