[Password Generation] Handle DidFinishLoad event in PasswordGenerationAgent as well

components/autofill/content/renderer/password_generation_agent.cc

Index: components/autofill/content/renderer/password_generation_agent.cc
diff --git a/components/autofill/content/renderer/password_generation_agent.cc b/components/autofill/content/renderer/password_generation_agent.cc
index 331fcc1f59478d35a2c83559f532f63954c8c59d..33c30aa55eda15f9cb792d15ced9e9837c4dfcab 100644
--- a/components/autofill/content/renderer/password_generation_agent.cc
+++ b/components/autofill/content/renderer/password_generation_agent.cc
@@ -179,6 +179,13 @@ void PasswordGenerationAgent::DidFinishDocumentLoad() {
   FindPossibleGenerationForm();
 }
 
+void PasswordGenerationAgent::DidFinishLoad() {
+  // Since forms on some sites are available only at this event (but not at
+  // DidFinishDocumentLoad), again call FindPossibleGenerationForm to detect
+  // these forms (crbug.com/617893).
+  FindPossibleGenerationForm();
+}
+
 void PasswordGenerationAgent::OnDestruct() {
   base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, this);
 }