Refactor URLBlacklistManager to use URLMatcher.

chrome/common/extensions/matcher/url_matcher.cc

Index: chrome/common/extensions/matcher/url_matcher.cc
diff --git a/chrome/common/extensions/matcher/url_matcher.cc b/chrome/common/extensions/matcher/url_matcher.cc
index d13b508c7d9323037a3b43aaa39ffbc291fb5afb..56f1df40d70aebe6bc4fc70cc8f35da7fba0586b 100644
--- a/chrome/common/extensions/matcher/url_matcher.cc
+++ b/chrome/common/extensions/matcher/url_matcher.cc
@@ -303,6 +303,15 @@ URLMatcherCondition
       host_suffix + kEndOfDomain + path_prefix);
 }
 
+URLMatcherCondition
+URLMatcherConditionFactory::CreateHostEqualsPathPrefixCondition(
+    const std::string& host,
+    const std::string& path_prefix) {
+  return CreateCondition(URLMatcherCondition::HOST_EQUALS_PATH_PREFIX,
+      kBeginningOfURL + CanonicalizeHostname(host) + kEndOfDomain +
+      path_prefix);
+}
+
 std::string URLMatcherConditionFactory::CanonicalizeURLForFullSearches(
     const GURL& url) {
   return kBeginningOfURL + CanonicalizeHostname(url.host()) + url.path() +