Add full support for filesystem URLs.

chrome/common/extensions/url_pattern.h

Index: chrome/common/extensions/url_pattern.h
diff --git a/chrome/common/extensions/url_pattern.h b/chrome/common/extensions/url_pattern.h
index 6a83c017ce7c3b5a3dd2cd0348a16fd009352b14..ab0ab114adb401812f6eed1c80b55b53018cdc43 100644
--- a/chrome/common/extensions/url_pattern.h
+++ b/chrome/common/extensions/url_pattern.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 #ifndef CHROME_COMMON_EXTENSIONS_URL_PATTERN_H_
@@ -119,6 +119,13 @@ class URLPattern {
   bool match_all_urls() const { return match_all_urls_; }
   void SetMatchAllURLs(bool val);
 
+  // Returns true if this pattern matches inner URLs of filesystem: URLs only.
+  // Returns false if this pattern matches only non-filesystem URLs.
+  bool partial_filesystem_support_hack() const {
+    return partial_filesystem_support_hack_;
+  }
+  void set_partial_filesystem_support_hack(bool val);
+
   // Sets the scheme for pattern matches. This can be a single '*' if the
   // pattern matches all valid schemes (as defined by the valid_schemes_
   // property). Returns false on failure (if the scheme is not valid).
@@ -145,7 +152,9 @@ class URLPattern {
   bool MatchesHost(const GURL& test) const;
 
   // Returns true if |test| matches our path.
-  bool MatchesPath(const std::string& test) const;
+  // Set filesystem_url to true if the path comes from a filesystem URL.
+  // See set_partial_filesystem_support_hack for behavior.
+  bool MatchesPath(const std::string& test, bool filesystem_url) const;
 
   // Returns true if |port| matches our port.
   bool MatchesPort(int port) const;
@@ -204,6 +213,11 @@ class URLPattern {
   // True if this is a special-case "<all_urls>" pattern.
   bool match_all_urls_;
 
+  // True if we're trying to match against the inner URL of a filesystem URL;
+  // this is a temporary hack so as not to break ChromeOS as we work on full
+  // support.
+  bool partial_filesystem_support_hack_;
+
   // The scheme for the pattern.
   std::string scheme_;