Don't block shared_module extensions by the policy blacklist.

chrome/browser/extensions/standard_management_policy_provider.cc

Index: chrome/browser/extensions/standard_management_policy_provider.cc
diff --git a/chrome/browser/extensions/standard_management_policy_provider.cc b/chrome/browser/extensions/standard_management_policy_provider.cc
index 02ac0854827706237ce6abf66959c86fdfd87da9..b99fe65e10b0b9c444e2616976228c8cb1e4e646 100644
--- a/chrome/browser/extensions/standard_management_policy_provider.cc
+++ b/chrome/browser/extensions/standard_management_policy_provider.cc
@@ -76,6 +76,12 @@ bool StandardManagementPolicyProvider::UserMayLoad(
   if (Manifest::IsComponentLocation(extension->location()))
     return true;
 
+  // Shared modules are always allowed too: they only contain resources that
+  // are used by other extensions. The extension that depends on the shared
+  // module may be filtered by policy.
+  if (extension->is_shared_module())
+    return true;
+
   ExtensionManagement::InstallationMode installation_mode =
       settings_->GetInstallationMode(extension->id());