Add password manager autocomplete suggestion when a username element in clicked.

components/autofill/content/renderer/password_autofill_agent.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_AUTOFILL_AGENT_H_
 #define COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_AUTOFILL_AGENT_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 36 matching lines @@
   // Previews the username and password fields of this form with the given
   // values. Returns true if the fields were previewed, false otherwise.
   bool PreviewSuggestion(const blink::WebNode& node,
                          const blink::WebString& username,
                          const blink::WebString& password);
 
   // Clears the preview for the username and password fields, restoring both to
   // their previous filled state. Return false if no login information was
   // found for the form.
   bool DidClearAutofillSelection(const blink::WebNode& node);
-  // Shows an Autofill popup with username suggestions for |element|.
+  // Shows an Autofill popup with username suggestions for |element|. If
+  // |show_all| is |true|, will show all possible suggestions for that element,
+  // otherwise shows suggestions based on current value of |element|.
   // Returns true if any suggestions were shown, false otherwise.
-  bool ShowSuggestions(const blink::WebInputElement& element);
+  bool ShowSuggestions(const blink::WebInputElement& element, bool show_all);
 
   // Called when new form controls are inserted.
   void OnDynamicFormsSeen(blink::WebFrame* frame);
 
   // Called when the user first interacts with the page after a load. This is a
   // signal to make autofilled values of password input elements accessible to
   // JavaScript.
   void FirstUserGestureObserved();
 
  protected:
@@ skipping 69 matching lines @@
   void OnFillPasswordForm(const PasswordFormFillData& form_data);
   void OnSetLoggingState(bool active);
 
   // Scans the given frame for password forms and sends them up to the browser.
   // If |only_visible| is true, only forms visible in the layout are sent.
   void SendPasswordForms(blink::WebFrame* frame, bool only_visible);
 
   void GetSuggestions(const PasswordFormFillData& fill_data,
                       const base::string16& input,
                       std::vector<base::string16>* suggestions,
-                      std::vector<base::string16>* realms);
+                      std::vector<base::string16>* realms,
+                      bool show_all);
 
   bool ShowSuggestionPopup(const PasswordFormFillData& fill_data,
-                           const blink::WebInputElement& user_input);
+                           const blink::WebInputElement& user_input,
+                           bool show_all);
 
   // Attempts to fill |username_element| and |password_element| with the
   // |fill_data|.  Will use the data corresponding to the preferred username,
   // unless the |username_element| already has a value set.  In that case,
   // attempts to fill the password matching the already filled username, if
   // such a password exists.
   void FillFormOnPasswordRecieved(const PasswordFormFillData& fill_data,
                                   blink::WebInputElement username_element,
                                   blink::WebInputElement password_element);
 
@@ skipping 60 matching lines @@
   bool did_stop_loading_;
 
   base::WeakPtrFactory<PasswordAutofillAgent> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordAutofillAgent);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_AUTOFILL_AGENT_H_