External autofill delegates.

chrome/browser/autocomplete_history_manager.h

 // Copyright (c) 2011 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_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
 #pragma once
 
 #include <vector>
 
+#include "base/gtest_prod_util.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/webdata/web_data_service.h"
 #include "content/browser/tab_contents/tab_contents_observer.h"
 
 namespace webkit_glue {
 struct FormData;
 }  // namespace webkit_glue
 
+class AutofillExternalDelegate;
 class Profile;
 class TabContents;
 
 // Per-tab Autocomplete history manager. Handles receiving form data from the
 // renderer and the storing and retrieving of form data through WebDataService.
 class AutocompleteHistoryManager : public TabContentsObserver,
                                    public WebDataServiceConsumer {
  public:
   explicit AutocompleteHistoryManager(TabContents* tab_contents);
   virtual ~AutocompleteHistoryManager();
@@ skipping 10 matching lines @@
   void OnGetAutocompleteSuggestions(
       int query_id,
       const string16& name,
       const string16& prefix,
       const std::vector<string16>& autofill_values,
       const std::vector<string16>& autofill_labels,
       const std::vector<string16>& autofill_icons,
       const std::vector<int>& autofill_unique_ids);
   void OnFormSubmitted(const webkit_glue::FormData& form);
 
+  // Sets our external delegate.
+  void SetExternalDelegate(AutofillExternalDelegate* delegate) {
+    external_delegate_ = delegate;
+  }
+
  protected:
   friend class AutocompleteHistoryManagerTest;
   friend class AutofillManagerTest;
+  FRIEND_TEST_ALL_PREFIXES(AutocompleteHistoryManagerTest, ExternalDelegate);
+  FRIEND_TEST_ALL_PREFIXES(AutofillManagerTest, TestTabContents);
 
   // For tests.
   AutocompleteHistoryManager(TabContents* tab_contents,
                              Profile* profile,
                              WebDataService* wds);
 
   void SendSuggestions(const std::vector<string16>* suggestions);
   void CancelPendingQuery();
 
+  // Exposed for testing.
+  AutofillExternalDelegate* external_delegate() {
+    return external_delegate_;
+  }
+
  private:
   void OnRemoveAutocompleteEntry(const string16& name, const string16& value);
 
   Profile* profile_;
   scoped_refptr<WebDataService> web_data_service_;
 
   BooleanPrefMember autofill_enabled_;
 
   // When the manager makes a request from WebDataService, the database is
   // queried on another thread, we record the query handle until we get called
   // back.  We also store the autofill results so we can send them together.
   WebDataService::Handle pending_query_handle_;
   int query_id_;
   std::vector<string16> autofill_values_;
   std::vector<string16> autofill_labels_;
   std::vector<string16> autofill_icons_;
   std::vector<int> autofill_unique_ids_;
 
+  // Delegate to perform external processing (display, selection) on
+  // our behalf.  Weak.
+  AutofillExternalDelegate* external_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(AutocompleteHistoryManager);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_