Refactored extension privilege enumeration and implemented URLPattern compari...

chrome/common/extensions/url_pattern.h

Index: chrome/common/extensions/url_pattern.h
===================================================================
--- chrome/common/extensions/url_pattern.h	(revision 54542)
+++ chrome/common/extensions/url_pattern.h	(working copy)
@@ -5,6 +5,7 @@
 #define CHROME_COMMON_EXTENSIONS_URL_PATTERN_H_
 #pragma once
 
+#include <functional>
 #include <string>
 #include <vector>
 
@@ -164,6 +165,21 @@
   // equivalent to this instance.
   std::vector<URLPattern> ConvertToExplicitSchemes() const;
 
+  static bool EffectiveHostCompare(const URLPattern& a, const URLPattern& b) {
+    if (a.match_all_urls_ && b.match_all_urls_)
+      return false;
+    return a.host_.compare(b.host_) < 0;
+  };
+
+  // Used for origin comparisons in a std::set.
+  class EffectiveHostCompareFunctor :
+      public std::binary_function<URLPattern, URLPattern, bool> {
+  public:
+    bool operator()(const URLPattern& a, const URLPattern& b) const {
+      return EffectiveHostCompare(a, b);
+    };
+  };
+
  private:
   // A bitmask containing the schemes which are considered valid for this
   // pattern. Parse() uses this to decide whether a pattern contains a valid