chrome.contentSettings API: Block patterns that match extension URLs for mic and video

components/content_settings/core/common/content_settings_pattern.h

Index: components/content_settings/core/common/content_settings_pattern.h
diff --git a/components/content_settings/core/common/content_settings_pattern.h b/components/content_settings/core/common/content_settings_pattern.h
index 7d6fc8d00dd04d3e700a806eccc368907dd6f21e..36db8f72a9a41b274af36196836d6a6fd911ed12 100644
--- a/components/content_settings/core/common/content_settings_pattern.h
+++ b/components/content_settings/core/common/content_settings_pattern.h
@@ -190,6 +190,11 @@ class ContentSettingsPattern {
   // True if |url| matches this pattern.
   bool Matches(const GURL& url) const;
 
+  // True if the pattern matches any extension URL (i.e. the scheme is
+  // a wildcard or chrome-extension, and the hostname is a wildcard or looks
+  // like an extension ID).
+  bool MatchesExtensionUrls() const;
+
   // True if this pattern matches all hosts (i.e. it has a host wildcard).
   bool MatchesAllHosts() const;