Fix crasher in ExtensionService::UpdateExtension.

BUG=124163
TEST=Crash reports with this stack trace stop coming in


Review URL: http://codereview.chromium.org/10167003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@134251 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 8 insertions, 3 deletions

diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index 7ddbca4..349a7a6d 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -553,6 +553,9 @@ class ExtensionService
   virtual void OnExternalProviderReady(
       const ExternalExtensionProviderInterface* provider) OVERRIDE;
 
+  // Returns true when all the external extension providers are ready.
+  bool AreAllExternalProvidersReady() const;
+
   void OnAllExternalProvidersReady();
 
   // Once all external providers are done, generates any needed alerts about
@@ -820,9 +823,11 @@ class ExtensionService
   ProviderCollection external_extension_providers_;
 
   // Set to true by OnExternalExtensionUpdateUrlFound() when an external
-  // extension URL is found.  Used in CheckForExternalUpdates() to see
-  // if an update check is needed to install pending extensions.
-  bool external_extension_url_added_;
+  // extension URL is found, and by CheckForUpdatesSoon() when an update check
+  // has to wait for the external providers.  Used in
+  // OnAllExternalProvidersReady() to determine if an update check is needed to
+  // install pending extensions.
+  bool update_once_all_providers_are_ready_;
 
   NaClModuleInfoList nacl_module_list_;