Make ChromeExtensionChooserDialog::ShowDialog work for MacViews

chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller_unittest.mm

 // Copyright 2016 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/extensions/chooser_dialog_cocoa_controller.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/strings/utf_string_conversions.h"
-#import "chrome/browser/ui/cocoa/chooser_content_view.h"
+#import "chrome/browser/ui/cocoa/chooser_content_view_cocoa.h"
 #import "chrome/browser/ui/cocoa/cocoa_profile_test.h"
 #include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa.h"
 #include "components/chooser_controller/mock_chooser_controller.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
 
 class ChooserDialogCocoaControllerTest : public CocoaProfileTest {
  protected:
@@ skipping 29 matching lines @@
     cancel_button_ = [chooser_content_view_ cancelButton];
     ASSERT_TRUE(cancel_button_);
     help_button_ = [chooser_content_view_ helpButton];
     ASSERT_TRUE(help_button_);
   }
 
   std::unique_ptr<MockChooserController> chooser_controller_;
   std::unique_ptr<ChooserDialogCocoa> chooser_dialog_;
 
   ChooserDialogCocoaController* chooser_dialog_controller_;
-  ChooserContentView* chooser_content_view_;
+  ChooserContentViewCocoa* chooser_content_view_;
   NSTableView* table_view_;
   NSButton* connect_button_;
   NSButton* cancel_button_;
   NSButton* help_button_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChooserDialogCocoaControllerTest);
 };
 
 TEST_F(ChooserDialogCocoaControllerTest, InitialState) {
@@ skipping 286 matching lines @@
   chooser_controller_->OptionAdded(base::ASCIIToUTF16("c"));
 
   // Select option 0 and press "Get help" button.
   [table_view_ selectRowIndexes:[NSIndexSet indexSetWithIndex:0]
            byExtendingSelection:NO];
   EXPECT_CALL(*chooser_controller_, Select(testing::_)).Times(0);
   EXPECT_CALL(*chooser_controller_, Cancel()).Times(0);
   EXPECT_CALL(*chooser_controller_, OpenHelpCenterUrl()).Times(1);
   [help_button_ performClick:chooser_dialog_controller_];
 }