Update infobars to use VectorIcon struct instead of VectorIconId.

components/infobars/core/infobar_delegate.h

Index: components/infobars/core/infobar_delegate.h
diff --git a/components/infobars/core/infobar_delegate.h b/components/infobars/core/infobar_delegate.h
index 08b7f4f6c9b12db83235fa5d9275e1b65050a1aa..1396e1673b5e239092528abbfd2d08b630b5b1e2 100644
--- a/components/infobars/core/infobar_delegate.h
+++ b/components/infobars/core/infobar_delegate.h
@@ -36,7 +36,7 @@ class TranslateInfoBarDelegate;
 
 namespace gfx {
 class Image;
-enum class VectorIconId;
+struct VectorIcon;
 }
 
 namespace infobars {
@@ -186,7 +186,7 @@ class InfoBarDelegate {
   // Returns the vector icon identifier to be shown for this InfoBar. This will
   // take precedence over GetIconId() (although typically only one of the two
   // should be defined for any given infobar).
-  virtual gfx::VectorIconId GetVectorIconId() const;
+  virtual const gfx::VectorIcon& GetVectorIcon() const;
 
   // Returns the icon to be shown for this InfoBar. If the returned Image is
   // empty, no icon is shown.