[Password Manager] Show omnibox icon and anchored prompt once user start typing password

chrome/renderer/autofill/fake_content_password_manager_driver.h

Index: chrome/renderer/autofill/fake_content_password_manager_driver.h
diff --git a/chrome/renderer/autofill/fake_content_password_manager_driver.h b/chrome/renderer/autofill/fake_content_password_manager_driver.h
index 5de449187b142b591739aa7b4ac70f5c42da3fef..aea0c6d3c48e1b73f28dbdd88644162a1e012ef4 100644
--- a/chrome/renderer/autofill/fake_content_password_manager_driver.h
+++ b/chrome/renderer/autofill/fake_content_password_manager_driver.h
@@ -126,10 +126,14 @@ class FakeContentPasswordManagerDriver
     called_presave_generated_password_ = false;
   }
 
-  int called_check_safe_browsing_reputation_cnt() {
+  int called_check_safe_browsing_reputation_cnt() const {
     return called_check_safe_browsing_reputation_cnt_;
   }
 
+  int called_show_manual_fallback_count() const {
+    return called_show_manual_fallback_count_;
+  }
+
  private:
   // mojom::PasswordManagerDriver:
   void PasswordFormsParsed(
@@ -170,6 +174,10 @@ class FakeContentPasswordManagerDriver
   void CheckSafeBrowsingReputation(const GURL& form_action,
                                    const GURL& frame_url) override;
 
+  void ShowManualFallbackForSaving(
+      const autofill::PasswordForm& password_form) override;
+  void HideManualFallbackForSaving() override;
+
   // Records whether ShowPasswordSuggestions() gets called.
   bool called_show_pw_suggestions_ = false;
   // Records data received via ShowPasswordSuggestions() call.
@@ -210,6 +218,10 @@ class FakeContentPasswordManagerDriver
   // Records number of times CheckSafeBrowsingReputation() gets called.
   int called_check_safe_browsing_reputation_cnt_ = 0;
 
+  // Records the number of request to show manual fallback for password saving.
+  // If it is zero, the fallback is not available.
+  int called_show_manual_fallback_count_ = 0;
+
   mojo::BindingSet<autofill::mojom::PasswordManagerDriver> bindings_;
 };