Added support for file URI path wildcards in content settings

chrome/common/content_settings_pattern.h

Index: chrome/common/content_settings_pattern.h
===================================================================
--- chrome/common/content_settings_pattern.h	(revision 118265)
+++ chrome/common/content_settings_pattern.h	(working copy)
@@ -93,6 +93,9 @@
     // specification. Only used for content settings pattern with a "file"
     // scheme part.
     std::string path;
+
+    // True if the path wildcard is set.
+    bool is_path_wildcard;
   };
 
   class BuilderInterface {
@@ -113,6 +116,8 @@
 
     virtual BuilderInterface* WithPath(const std::string& path) = 0;
 
+    virtual BuilderInterface* WithPathWildcard() = 0;
+
     virtual BuilderInterface* Invalid() = 0;
 
     // Returns a content settings pattern according to the current configuration
@@ -214,9 +219,12 @@
 
      virtual BuilderInterface* WithPath(const std::string& path) OVERRIDE;
 
+     virtual BuilderInterface* WithPathWildcard() OVERRIDE;
+
      virtual BuilderInterface* Invalid() OVERRIDE;
 
      virtual ContentSettingsPattern Build() OVERRIDE;
+
     private:
      // Canonicalizes the pattern parts so that they are ASCII only, either
      // in original (if it was already ASCII) or punycode form. Returns true if