[Password Manager] Unfriend PasswordAutofillAgentTest from PasswordAutofillAgent (clean-up).

components/autofill/content/renderer/autofill_agent.h

Index: components/autofill/content/renderer/autofill_agent.h
diff --git a/components/autofill/content/renderer/autofill_agent.h b/components/autofill/content/renderer/autofill_agent.h
index d062c32ca3081bb82b0e5a95a19738dca913a3e2..c5427df1934c71170ec80973cf8a65f18088050b 100644
--- a/components/autofill/content/renderer/autofill_agent.h
+++ b/components/autofill/content/renderer/autofill_agent.h
@@ -230,25 +230,6 @@ class AutofillAgent : public content::RenderViewObserver,
 
   base::WeakPtrFactory<AutofillAgent> weak_ptr_factory_;
 
-  friend class PasswordAutofillAgentTest;
-  friend class RequestAutocompleteRendererTest;
-  FRIEND_TEST_ALL_PREFIXES(AutofillRendererTest, FillFormElement);
-  FRIEND_TEST_ALL_PREFIXES(AutofillRendererTest, SendDynamicForms);
-  FRIEND_TEST_ALL_PREFIXES(AutofillRendererTest, ShowAutofillWarning);
-  FRIEND_TEST_ALL_PREFIXES(PasswordAutofillAgentTest, WaitUsername);
-  FRIEND_TEST_ALL_PREFIXES(PasswordAutofillAgentTest, SuggestionAccept);
-  FRIEND_TEST_ALL_PREFIXES(PasswordAutofillAgentTest, SuggestionSelect);
-  FRIEND_TEST_ALL_PREFIXES(
-      PasswordAutofillAgentTest,
-      PasswordAutofillTriggersOnChangeEventsWaitForUsername);
-  FRIEND_TEST_ALL_PREFIXES(PasswordAutofillAgentTest, CredentialsOnClick);
-  FRIEND_TEST_ALL_PREFIXES(RequestAutocompleteRendererTest,
-                           NoCancelOnMainFrameNavigateAfterDone);
-  FRIEND_TEST_ALL_PREFIXES(RequestAutocompleteRendererTest,
-                           NoCancelOnSubframeNavigateAfterDone);
-  FRIEND_TEST_ALL_PREFIXES(RequestAutocompleteRendererTest,
-                           InvokingTwiceOnlyShowsOnce);
-
   DISALLOW_COPY_AND_ASSIGN(AutofillAgent);
 };