Implement permissions embargo for prompts which are repeatedly ignored.

chrome/browser/permissions/permission_decision_auto_blocker.h

Index: chrome/browser/permissions/permission_decision_auto_blocker.h
diff --git a/chrome/browser/permissions/permission_decision_auto_blocker.h b/chrome/browser/permissions/permission_decision_auto_blocker.h
index c334628dd5188bf22609c2088c7009c9a7dc5d06..24e07b50659504e9f842f31b02ff411d061bfc8b 100644
--- a/chrome/browser/permissions/permission_decision_auto_blocker.h
+++ b/chrome/browser/permissions/permission_decision_auto_blocker.h
@@ -85,12 +85,15 @@ class PermissionDecisionAutoBlocker : public KeyedService {
 
   // Records that a dismissal of a prompt for |permission| was made. If the
   // total number of dismissals exceeds a threshhold and
-  // features::kBlockPromptsIfDismissedOften is enabled it will place |url|
+  // features::kBlockPromptsIfDismissedOften is enabled, it will place |url|
   // under embargo for |permission|.
   bool RecordDismissAndEmbargo(const GURL& url, ContentSettingsType permission);
 
-  // Records that an ignore of a prompt for |permission| was made.
-  int RecordIgnore(const GURL& url, ContentSettingsType permission);
+  // Records that an ignore of a prompt for |permission| was made. If the total
+  // number of ignores exceeds a threshold and
+  // features::kBlockPromptsIfIgnoredOften is enabled, it will place |url| under
+  // embargo for |permission|.
+  bool RecordIgnoreAndEmbargo(const GURL& url, ContentSettingsType permission);
 
   // Removes any recorded counts for urls which match |filter|.
   void RemoveCountsByUrl(base::Callback<bool(const GURL& url)> filter);
@@ -123,6 +126,7 @@ class PermissionDecisionAutoBlocker : public KeyedService {
   static const char kPromptDismissCountKey[];
   static const char kPromptIgnoreCountKey[];
   static const char kPermissionDismissalEmbargoKey[];
+  static const char kPermissionIgnoreEmbargoKey[];
   static const char kPermissionBlacklistEmbargoKey[];
 
   Profile* profile_;