ServiceWorker: Support longest-prefix-match for registration scope

content/browser/service_worker/service_worker_utils.h

Index: content/browser/service_worker/service_worker_utils.h
diff --git a/content/browser/service_worker/service_worker_utils.h b/content/browser/service_worker/service_worker_utils.h
index 38669c4317648145870670961284df7a64f50aed..edb965050ed6610f45220e37dae68c22ed84ad5d 100644
--- a/content/browser/service_worker/service_worker_utils.h
+++ b/content/browser/service_worker/service_worker_utils.h
@@ -5,10 +5,14 @@
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_
 
+#include <vector>

[jsbell, 2014/06/03 18:48:30]

Not needed any more?

[nhiroki, 2014/06/05 11:00:35]

Done.

+
 #include "content/common/content_export.h"
 #include "content/common/service_worker/service_worker_status_code.h"
 #include "webkit/common/resource_type.h"
 
+class GURL;
+
 namespace content {
 
 class ServiceWorkerUtils {
@@ -33,6 +37,21 @@ class ServiceWorkerUtils {
   CONTENT_EXPORT static bool ScopeMatches(const GURL& scope, const GURL& url);
 };
 
+class CONTENT_EXPORT LongestScopeMatcher {
+ public:
+  explicit LongestScopeMatcher(const GURL& url) : url_(url) {}
+  virtual ~LongestScopeMatcher() {}
+
+  // Returns true if |scope| matches |url_| longer than |match_|.
+  bool MatchLongest(const GURL& scope);
+
+ private:
+  const GURL url_;
+  GURL match_;
+
+  DISALLOW_COPY_AND_ASSIGN(LongestScopeMatcher);
+};
+
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_