Update dialog close buttons to use vector icons and ripples.

chrome/browser/ui/views/infobars/infobar_view.h

Index: chrome/browser/ui/views/infobars/infobar_view.h
diff --git a/chrome/browser/ui/views/infobars/infobar_view.h b/chrome/browser/ui/views/infobars/infobar_view.h
index 468648993344fa99d7f228506f02b049951129cb..23d6e21e9b6160e94128b704b4044734c95d06ec 100644
--- a/chrome/browser/ui/views/infobars/infobar_view.h
+++ b/chrome/browser/ui/views/infobars/infobar_view.h
@@ -11,6 +11,7 @@
 #include "components/infobars/core/infobar_container.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/views/controls/button/button.h"
+#include "ui/views/controls/button/vector_icon_button_delegate.h"
 #include "ui/views/controls/menu/menu_types.h"
 #include "ui/views/focus/external_focus_tracker.h"
 #include "ui/views/view_targeter_delegate.h"
@@ -33,7 +34,7 @@ class MenuRunner;
 
 class InfoBarView : public infobars::InfoBar,
                     public views::View,
-                    public views::ButtonListener,
+                    public views::VectorIconButtonDelegate,
                     public views::ExternalFocusTracker,
                     public views::ViewTargeterDelegate {
  public:
@@ -77,10 +78,11 @@ class InfoBarView : public infobars::InfoBar,
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
 
-  // views::ButtonListener:
+  // views::VectorIconButtonDelegate:
   // NOTE: This must not be called if we're unowned.  (Subclasses should ignore
   // calls to ButtonPressed() in this case.)
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+  SkColor GetVectorIconBaseColor() const override;
 
   // Returns the minimum width the content (that is, everything between the icon
   // and the close button) can be shrunk to.  This is used to prevent the close