Add "previewing on hover" support for single-field autocomplete input

chrome/browser/ui/autofill/autofill_popup_controller_unittest.cc

 // 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.
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/autofill/autofill_popup_controller_impl.h"
 #include "chrome/browser/ui/autofill/autofill_popup_view.h"
@@ skipping 26 matching lines @@
 namespace autofill {
 namespace {
 
 class MockAutofillExternalDelegate : public AutofillExternalDelegate {
  public:
   MockAutofillExternalDelegate(AutofillManager* autofill_manager,
                                AutofillDriver* autofill_driver)
       : AutofillExternalDelegate(autofill_manager, autofill_driver) {}
   virtual ~MockAutofillExternalDelegate() {}
 
-  virtual void DidSelectSuggestion(int identifier) OVERRIDE {}
+  virtual void DidSelectSuggestion(int identifier,
+                                   const base::string16& value) OVERRIDE {}
   virtual void RemoveSuggestion(const base::string16& value,
                                 int identifier) OVERRIDE {}
   virtual void ClearPreviewedForm() OVERRIDE {}
   base::WeakPtr<AutofillExternalDelegate> GetWeakPtr() {
     return AutofillExternalDelegate::GetWeakPtr();
   }
 };
 
 class MockAutofillManagerDelegate
     : public autofill::TestAutofillManagerDelegate {
@@ skipping 472 matching lines @@
   EXPECT_NE(names[0], autofill_popup_controller_->names()[0]);
   EXPECT_NE(subtexts[0], autofill_popup_controller_->subtexts()[0]);
 
   // The second element was shorter so it should be unchanged.
   EXPECT_EQ(names[1], autofill_popup_controller_->names()[1]);
   EXPECT_EQ(subtexts[1], autofill_popup_controller_->subtexts()[1]);
 }
 #endif
 
 }  // namespace autofill