Uses child views in Autofill Popup so we can trigger

chrome/browser/ui/autofill/password_generation_popup_controller_impl.h

 // Copyright 2014 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_UI_AUTOFILL_PASSWORD_GENERATION_POPUP_CONTROLLER_IMPL_H_
 #define CHROME_BROWSER_UI_AUTOFILL_PASSWORD_GENERATION_POPUP_CONTROLLER_IMPL_H_
 
 #include <stddef.h>
 #include <string>
 
@@ skipping 88 matching lines @@
   void SelectionCleared() override;
   void PasswordAccepted() override;
   void OnSavedPasswordsLinkClicked() override;
   int GetMinimumWidth() override;
   gfx::NativeView container_view() override;
   gfx::Rect popup_bounds() const override;
   const gfx::RectF& element_bounds() const override;
   bool IsRTL() const override;
   const std::vector<autofill::Suggestion> GetSuggestions() override;
 #if !defined(OS_ANDROID)
-  int GetElidedValueWidthForRow(size_t row) override;
-  int GetElidedLabelWidthForRow(size_t row) override;
+  int GetElidedValueWidthForRow(int row) override;
+  int GetElidedLabelWidthForRow(int row) override;
 #endif
 
   bool display_password() const override;
   bool password_selected() const override;
   base::string16 password() const override;
   base::string16 SuggestedText() override;
   const base::string16& HelpText() override;
   const gfx::Range& HelpTextLinkRange() override;
 
   base::WeakPtr<PasswordGenerationPopupControllerImpl> GetWeakPtr();
@@ skipping 40 matching lines @@
   PopupViewCommon view_common_;
 
   base::WeakPtrFactory<PasswordGenerationPopupControllerImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordGenerationPopupControllerImpl);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_PASSWORD_GENERATION_POPUP_CONTROLLER_IMPL_H_