Fix crash when you uninstall a permissions-upgrade disabled extension.

chrome/browser/extensions/extension_disabled_infobar_delegate.cc

Index: chrome/browser/extensions/extension_disabled_infobar_delegate.cc
diff --git a/chrome/browser/extensions/extension_disabled_infobar_delegate.cc b/chrome/browser/extensions/extension_disabled_infobar_delegate.cc
index 94cbde5a778b5c6e4bf1104a88acf4bc11cbbf66..66b2a298b0dedeafd63f517d3d0382155319e700 100644
--- a/chrome/browser/extensions/extension_disabled_infobar_delegate.cc
+++ b/chrome/browser/extensions/extension_disabled_infobar_delegate.cc
@@ -158,8 +158,9 @@ void ExtensionDisabledInfobarDelegate::Observe(
   } else {
     DCHECK_EQ(NotificationType::EXTENSION_UNLOADED, type.value);
     UnloadedExtensionInfo* info = Details<UnloadedExtensionInfo>(details).ptr();
-    extension = (info->reason == UnloadedExtensionInfo::DISABLE) ?
-        info->extension : NULL;
+    if (info->reason == UnloadedExtensionInfo::DISABLE ||

[Mihai Parparita -not on Chrome, 2011/06/08 23:20:44]

Won't this leave extension uninitialized if it's not a disable or uninstall? Is
there a compiler warning about that?

+        info->reason == UnloadedExtensionInfo::UNINSTALL)
+      extension = info->extension;
   }
   if (extension == extension_)
     tab_contents_->RemoveInfoBar(this);