Reland: Communicate ExtensionSettings policy to renderers

extensions/common/url_pattern.h

Index: extensions/common/url_pattern.h
diff --git a/extensions/common/url_pattern.h b/extensions/common/url_pattern.h
index 23f0687845ccb6c895bc2b9a0b4a7f401171f205..efb93faf36e74babae8bce40cff22ac67444cb7a 100644
--- a/extensions/common/url_pattern.h
+++ b/extensions/common/url_pattern.h
@@ -81,6 +81,12 @@ class URLPattern {
     NUM_PARSE_RESULTS
   };
 
+  // Types of URLPattern that Parse() considers valid.
+  enum ParseOptions {
+    DENY_WILDCARD_FOR_EFFECTIVE_TLD,
+    ALLOW_WILDCARD_FOR_EFFECTIVE_TLD,
+  };
+
   // The <all_urls> string pattern.
   static const char kAllUrlsPattern[];
 
@@ -107,8 +113,10 @@ class URLPattern {
   // Initializes this instance by parsing the provided string. Returns
   // URLPattern::PARSE_SUCCESS on success, or an error code otherwise. On
   // failure, this instance will have some intermediate values and is in an
-  // invalid state.
+  // invalid state. If you want to allow the match pattern to specify a wildcard
+  // for the effective TLD, specify in |parse_options|.
   ParseResult Parse(base::StringPiece pattern_str);
+  ParseResult Parse(base::StringPiece pattern_str, ParseOptions parse_options);
 
   // Gets the bitmask of valid schemes.
   int valid_schemes() const { return valid_schemes_; }
@@ -123,6 +131,15 @@ class URLPattern {
   bool match_subdomains() const { return match_subdomains_; }
   void SetMatchSubdomains(bool val);
 
+  // Gets whether host() contains an effective TLD. If false, during
+  // a match, the URL you're comparing must have its TLD removed
+  // prior to comparison.
+  // e.g. For the match pattern https://google.com/*
+  //      If this is true: host() would be google.com
+  //      If this is false: host() would be google
+  bool match_effective_tld() const { return match_effective_tld_; }
+  void SetMatchEffectiveTld(bool val);
+
   // Gets the path the pattern matches with the leading slash. This can have
   // embedded asterisks which are interpreted using glob rules.
   const std::string& path() const { return path_; }
@@ -247,6 +264,12 @@ class URLPattern {
   // component of the pattern's host was "*".
   bool match_subdomains_;
 
+  // Whether we should match the effective TLD of the host. This is true by
+  // default and only false if ParseOptions is ALLOW_WILDCARD_FOR_EFFECTIVE_TLD
+  // and is only applicable when the the pattern's host ends with ".*"
+  // (e.g. https://example.*/*).
+  bool match_effective_tld_;
+
   // The port.
   std::string port_;