Setting up external delegate calls to allow a future delegate to handle autofill

chrome/browser/autocomplete_history_manager.cc

 // 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.
 
 #include "chrome/browser/autocomplete_history_manager.h"
 
 #include <vector>
 
 #include "base/string16.h"
 #include "base/string_number_conversions.h"
@@ skipping 201 matching lines @@
     return;
   }
 
   DCHECK_EQ(AUTOFILL_VALUE_RESULT, result->GetType());
   const WDResult<std::vector<string16> >* autofill_result =
       static_cast<const WDResult<std::vector<string16> >*>(result);
   std::vector<string16> suggestions = autofill_result->GetValue();
   SendSuggestions(&suggestions);
 }
 
+void AutocompleteHistoryManager::SetExternalDelegate(
+    AutofillExternalDelegate* delegate) {
+  external_delegate_ = delegate;
+}
+
 AutocompleteHistoryManager::AutocompleteHistoryManager(
     TabContents* tab_contents,
     Profile* profile,
     WebDataService* wds)
     : TabContentsObserver(tab_contents),
       profile_(profile),
       web_data_service_(wds),
       pending_query_handle_(0),
       query_id_(0) {
   autofill_enabled_.Init(
@@ skipping 32 matching lines @@
     }
   }
 
   if (external_delegate_) {
     external_delegate_->OnSuggestionsReturned(
         query_id_,
         autofill_values_,
         autofill_labels_,
         autofill_icons_,
         autofill_unique_ids_);
+  } else {
+    Send(new AutofillMsg_SuggestionsReturned(routing_id(),
+                                             query_id_,
+                                             autofill_values_,
+                                             autofill_labels_,
+                                             autofill_icons_,
+                                             autofill_unique_ids_));
   }
 
-  Send(new AutofillMsg_SuggestionsReturned(routing_id(),
-                                           query_id_,
-                                           autofill_values_,
-                                           autofill_labels_,
-                                           autofill_icons_,
-                                           autofill_unique_ids_));
-
   query_id_ = 0;
   autofill_values_.clear();
   autofill_labels_.clear();
   autofill_icons_.clear();
   autofill_unique_ids_.clear();
 }