Remove explicit keyword from multi-argument constructors

webkit/appcache/appcache_update_job_unittest.cc

Index: webkit/appcache/appcache_update_job_unittest.cc
diff --git a/webkit/appcache/appcache_update_job_unittest.cc b/webkit/appcache/appcache_update_job_unittest.cc
index 44f347d8c00b7c847cbbe4afa707297e3cc12225..9dd18483bc1d25b5dc9ce5f10a9c5b9a62a0df8b 100644
--- a/webkit/appcache/appcache_update_job_unittest.cc
+++ b/webkit/appcache/appcache_update_job_unittest.cc
@@ -411,9 +411,9 @@ class RetryRequestTestJob : public net::URLRequestTestJob {
         "http://retry\r");  // must be same as kRetryUrl
   }
 
-  explicit RetryRequestTestJob(net::URLRequest* request,
-                               const std::string& headers,
-                               int response_code)
+  RetryRequestTestJob(net::URLRequest* request,
+                      const std::string& headers,
+                      int response_code)
       : net::URLRequestTestJob(request, headers, data(), true),
         response_code_(response_code) {
   }