Index: third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp |
diff --git a/third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp b/third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp |
index 5198c3f8c0f4822768cf0ffeb5ab9d7cfa277eae..0a703fccdfe38973451129bb681319aa15733bba 100644 |
--- a/third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp |
+++ b/third_party/WebKit/Source/modules/credentialmanager/CredentialsContainer.cpp |
@@ -90,9 +90,11 @@ class RequestCallbacks : public WebCredentialManagerClient::RequestCallbacks { |
~RequestCallbacks() override {} |
void OnSuccess(std::unique_ptr<WebCredential> web_credential) override { |
- Frame* frame = |
- ToDocument(ExecutionContext::From(resolver_->GetScriptState())) |
- ->GetFrame(); |
+ ExecutionContext* context = |
+ ExecutionContext::From(resolver_->GetScriptState()); |
+ if (!context) |
+ return; |
+ Frame* frame = ToDocument(context)->GetFrame(); |
SECURITY_CHECK(!frame || frame == frame->Tree().Top()); |
std::unique_ptr<WebCredential> credential = |