[autofill] Adding new API to request an interactive autocomplete UI flow.

chrome/renderer/autofill/autofill_agent.h

 // Copyright (c) 2012 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 CHROME_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_
 #define CHROME_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 42 matching lines @@
 
   // RenderView::Observer:
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame) OVERRIDE;
   virtual void FrameDetached(WebKit::WebFrame* frame) OVERRIDE;
   virtual void FrameWillClose(WebKit::WebFrame* frame) OVERRIDE;
   virtual void WillSubmitForm(WebKit::WebFrame* frame,
                               const WebKit::WebFormElement& form) OVERRIDE;
   virtual void ZoomLevelChanged() OVERRIDE;
   virtual void DidChangeScrollOffset(WebKit::WebFrame* frame) OVERRIDE;
+  virtual void RequestAutocomplete(WebKit::WebFrame* frame,
+                                   const WebKit::WebFormElement& form) OVERRIDE;
 
   // PageClickListener:
   virtual bool InputElementClicked(const WebKit::WebInputElement& element,
                                    bool was_focused,
                                    bool is_focused) OVERRIDE;
   virtual bool InputElementLostFocus() OVERRIDE;
 
   // WebKit::WebAutofillClient:
   virtual void didAcceptAutofillSuggestion(const WebKit::WebNode& node,
                                            const WebKit::WebString& value,
@@ skipping 28 matching lines @@
   // For external Autofill selection.
   void OnSelectAutofillSuggestionAtIndex(int listIndex);
   void OnSetAutofillActionFill();
   void OnClearForm();
   void OnSetAutofillActionPreview();
   void OnClearPreviewedForm();
   void OnSetNodeText(const string16& value);
   void OnAcceptDataListSuggestion(const string16& value);
   void OnAcceptPasswordAutofillSuggestion(const string16& value);
 
+  // For interactive autocomplete.
+  void OnRequestAutocompleteFinished(int query_id, bool success);
+
   // Called in a posted task by textFieldDidChange() to work-around a WebKit bug
   // http://bugs.webkit.org/show_bug.cgi?id=16976
   void TextFieldDidChangeImpl(const WebKit::WebInputElement& element);
 
   // Shows the autofill suggestions for |element|.
   // This call is asynchronous and may or may not lead to the showing of a
   // suggestion popup (no popup is shown if there are no available suggestions).
   // |autofill_on_empty_values| specifies whether suggestions should be shown
   // when |element| contains no text.
   // |requires_caret_at_end| specifies whether suggestions should be shown when
@@ skipping 35 matching lines @@
   // Fills |form| and |field| with the FormData and FormField corresponding to
   // |node|. Returns true if the data was found; and false otherwise.
   bool FindFormAndFieldForNode(
       const WebKit::WebNode& node,
       FormData* form,
       FormFieldData* field) WARN_UNUSED_RESULT;
 
   // Set |node| to display the given |value|.
   void SetNodeText(const string16& value, WebKit::WebInputElement* node);
 
+  // Hides any currently showing autofill popups.
+  void HidePopups();
+
   FormCache form_cache_;
 
   PasswordAutofillManager* password_autofill_manager_;  // WEAK reference.
 
   // The ID of the last request sent for form field Autofill.  Used to ignore
   // out of date responses.
   int autofill_query_id_;
 
   // The element corresponding to the last request sent for form field Autofill.
   WebKit::WebInputElement element_;
 
+  // The element corresponding to the last request sent for an interactive
+  // autocomplete.
+  WebKit::WebFormElement form_;
+
   // The action to take when receiving Autofill data from the AutofillManager.
   AutofillAction autofill_action_;
 
   // Should we display a warning if autofill is disabled?
   bool display_warning_if_disabled_;
 
   // Was the query node autofilled prior to previewing the form?
   bool was_query_node_autofilled_;
 
   // Have we already shown Autofill suggestions for the field the user is
@@ skipping 11 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(PasswordAutofillManagerTest, WaitUsername);
   FRIEND_TEST_ALL_PREFIXES(PasswordAutofillManagerTest, SuggestionAccept);
   FRIEND_TEST_ALL_PREFIXES(PasswordAutofillManagerTest, SuggestionSelect);
 
   DISALLOW_COPY_AND_ASSIGN(AutofillAgent);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_