Remove the sender_id from the Push API code path.

content/shell/renderer/test_runner/mock_web_push_client.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/shell/renderer/test_runner/mock_web_push_client.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "third_party/WebKit/public/platform/WebPushError.h"
 #include "third_party/WebKit/public/platform/WebPushRegistration.h"
@@ skipping 18 matching lines @@
 }
 
 void MockWebPushClient::SetMockErrorValues(const std::string& message) {
   end_point_ = "";
   registration_id_ = "";
   error_message_ = message;
 }
 
 void MockWebPushClient::registerPushMessaging(
     const WebString& sender_id,
-    blink::WebPushRegistrationCallbacks* callbacks) {
-  registerPushMessaging(sender_id, callbacks, NULL);
-}
-
-void MockWebPushClient::registerPushMessaging(
-    const WebString& sender_id,
     blink::WebPushRegistrationCallbacks* callbacks,
     blink::WebServiceWorkerProvider* service_worker_provider) {
+  registerPushMessaging(callbacks, service_worker_provider);
+}
+
+void MockWebPushClient::registerPushMessaging(
+    blink::WebPushRegistrationCallbacks* callbacks,
+    blink::WebServiceWorkerProvider* service_worker_provider) {
   DCHECK(callbacks);
 
   if (!error_message_.empty()) {
     scoped_ptr<blink::WebPushError> error(
         new blink::WebPushError(blink::WebPushError::ErrorTypeAbort,
                                 WebString::fromUTF8(error_message_)));
     callbacks->onError(error.release());
   } else {
     DCHECK(!end_point_.empty() && !registration_id_.empty());
 
     scoped_ptr<blink::WebPushRegistration> registration(
         new blink::WebPushRegistration(WebString::fromUTF8(end_point_),
                                        WebString::fromUTF8(registration_id_)));
     callbacks->onSuccess(registration.release());
   }
 
   delete callbacks;
 }
 
 }  // namespace content