views: Get rid of DoShowAboutChromeDialog() function.

chrome/browser/ui/views/about_chrome_view.cc

Index: chrome/browser/ui/views/about_chrome_view.cc
diff --git a/chrome/browser/ui/views/about_chrome_view.cc b/chrome/browser/ui/views/about_chrome_view.cc
index 8108e9b16f7b572908a1ee2f3f105ace3ce082e2..4a3dc8ce04962c915a97ca143145ef69859a00fd 100644
--- a/chrome/browser/ui/views/about_chrome_view.cc
+++ b/chrome/browser/ui/views/about_chrome_view.cc
@@ -92,11 +92,10 @@ namespace browser {
 
 // Declared in browser_dialogs.h so that others don't
 // need to depend on our .h.
-views::Widget* ShowAboutChromeView(gfx::NativeWindow parent, Profile* profile) {
+void ShowAboutChromeView(gfx::NativeWindow parent, Profile* profile) {
   views::Widget* window = views::Widget::CreateWindowWithParent(
       new AboutChromeView(profile), parent);
   window->Show();
-  return window;
 }
 
 }  // namespace browser