Discourage creation of Java infobars without InfoBarDelegates

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 1a9931b99f146892252b076fadce7ddbf33fe987..a33cf618e79242dc4240e676537e112ff72417e7 100644
--- a/components/infobars/core/infobar_delegate.h
+++ b/components/infobars/core/infobar_delegate.h
@@ -63,6 +63,8 @@ class InfoBarDelegate {
   // Unique identifier for every InfoBarDelegate subclass.
   // KEEP IN SYNC WITH THE InfoBarIdentifier ENUM IN histograms.xml.
   // NEW VALUES MUST BE APPENDED AND AVOID CHANGING ANY PRE-EXISTING VALUES.
+  // A Java counterpart will be generated for this enum.
+  // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.infobar
   enum InfoBarIdentifier {
     INVALID = -1,
     TEST_INFOBAR = 0,
@@ -124,7 +126,9 @@ class InfoBarDelegate {
     SHOW_PASSKIT_INFOBAR_ERROR_DELEGATE = 56,
     READER_MODE_INFOBAR_DELEGATE = 57,
     SYNC_ERROR_INFOBAR_DELEGATE = 58,
-    UPGRADE_INFOBAR_DELEGATE = 59
+    UPGRADE_INFOBAR_DELEGATE = 59,
+    CHROME_WINDOW_ERROR = 60,
+    CONFIRM_DANGEROUS_DOWNLOAD = 61,
   };
 
   // Describes navigation events, used to decide whether infobars should be