Cleanup: IWYU for base/gtest_prod_util.h.

ui/views/window/dialog_client_view.h

 // 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.
 
 #ifndef UI_VIEWS_WINDOW_DIALOG_CLIENT_VIEW_H_
 #define UI_VIEWS_WINDOW_DIALOG_CLIENT_VIEW_H_
 
+#include "base/gtest_prod_util.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/focus/focus_manager.h"
 #include "ui/views/window/client_view.h"
 
 namespace views {
 
 class DialogDelegate;
 class LabelButton;
 class Widget;
@@ skipping 43 matching lines @@
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
   void NativeViewHierarchyChanged() override;
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
 
   // ButtonListener implementation:
   void ButtonPressed(Button* sender, const ui::Event& event) override;
 
  protected:
   // For testing.
-  DialogClientView(View* contents_view);
+  explicit DialogClientView(View* contents_view);
 
   // Returns the DialogDelegate for the window. Virtual for testing.
   virtual DialogDelegate* GetDialogDelegate() const;
 
   // Create and add the extra view, if supplied by the delegate.
   void CreateExtraView();
 
   // Creates and adds the footnote view, if supplied by the delegate.
   void CreateFootnoteView();
 
@@ skipping 42 matching lines @@
   // http://crbug.com/71940). This is used to avoid notifying the delegate
   // twice, which can have bad consequences.
   bool notified_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(DialogClientView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WINDOW_DIALOG_CLIENT_VIEW_H_