Uses child views in Autofill Popup so we can trigger

chrome/browser/ui/cocoa/autofill/password_generation_popup_view_cocoa_unittest.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/autofill/password_generation_popup_view_cocoa.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 44 matching lines @@
   void Hide() override {}
   MOCK_METHOD0(ViewDestroyed, void());
   void SetSelectionAtPoint(const gfx::Point&) override {}
   bool AcceptSelectedLine() override { return true; }
   void SelectionCleared() override {}
   gfx::Rect popup_bounds() const override { return popup_bounds_; }
   MOCK_METHOD0(container_view, gfx::NativeView());
   MOCK_CONST_METHOD0(element_bounds, gfx::RectF&());
   MOCK_CONST_METHOD0(IsRTL, bool());
   MOCK_METHOD0(GetSuggestions, const std::vector<autofill::Suggestion>());
-  MOCK_METHOD1(GetElidedValueWidthForRow, int(size_t));
-  MOCK_METHOD1(GetElidedLabelWidthForRow, int(size_t));
+  MOCK_METHOD1(GetElidedValueWidthForRow, int(int));
+  MOCK_METHOD1(GetElidedLabelWidthForRow, int(int));
 
  private:
   base::string16 help_text_;
   gfx::Range link_range_;
 
   const gfx::Rect popup_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(MockPasswordGenerationPopupController);
 };
 
@@ skipping 43 matching lines @@
 // popup is hidden.
 TEST_F(PasswordGenerationPopupViewCocoaTest, ControllerDestroyed) {
   [view_ showPopup];
   mock_controller_.reset();
   [view_ controllerDestroyed];
   [view_ display];
   [view_ hidePopup];
 }
 
 }  // namespace