[PasswordGeneration] Improve change/confirm password field detection.

chrome/renderer/autofill/password_generation_agent_browsertest.cc

Index: chrome/renderer/autofill/password_generation_agent_browsertest.cc
diff --git a/chrome/renderer/autofill/password_generation_agent_browsertest.cc b/chrome/renderer/autofill/password_generation_agent_browsertest.cc
index ecfa0783c933e2837e511b536339f2eb12a7966f..aa581e101bcb5266c31a1ce610a591dc38acc6f7 100644
--- a/chrome/renderer/autofill/password_generation_agent_browsertest.cc
+++ b/chrome/renderer/autofill/password_generation_agent_browsertest.cc
@@ -619,7 +619,7 @@ TEST_F(PasswordGenerationAgentTest, AutocompleteAttributesTest) {
   SetNotBlacklistedMessage(password_generation_,
                            kNewPasswordAutocompleteAttributeFormHTML);
 
-  ExpectGenerationAvailable("first_password", false);
+  ExpectGenerationAvailable("first_password", true);

[dvadym, 2017/06/08 14:56:59]

Could you please add here the checking form without username with new-password
autocomplete attributes

[pkalinnikov, 2017/06/09 08:02:42]

Done.

 }
 
 TEST_F(PasswordGenerationAgentTest, ChangePasswordFormDetectionTest) {