Complete removing Blink gyp files.

third_party/WebKit/Source/modules/push_messaging/BUILD.gn

Index: third_party/WebKit/Source/modules/push_messaging/BUILD.gn
diff --git a/third_party/WebKit/Source/modules/push_messaging/BUILD.gn b/third_party/WebKit/Source/modules/push_messaging/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..3bbe2d1e79be28a2d5a32af389fbc6846a2cc32f
--- /dev/null
+++ b/third_party/WebKit/Source/modules/push_messaging/BUILD.gn
@@ -0,0 +1,31 @@
+# Copyright 2016 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.
+
+import("//third_party/WebKit/Source/modules/modules.gni")
+
+blink_modules_sources("push_messaging") {
+  sources = [
+    "PushController.cpp",
+    "PushController.h",
+    "PushError.cpp",
+    "PushError.h",
+    "PushEvent.cpp",
+    "PushEvent.h",
+    "PushManager.cpp",
+    "PushManager.h",
+    "PushMessageData.cpp",
+    "PushMessageData.h",
+    "PushPermissionStatusCallbacks.cpp",
+    "PushPermissionStatusCallbacks.h",
+    "PushSubscription.cpp",
+    "PushSubscription.h",
+    "PushSubscriptionCallbacks.cpp",
+    "PushSubscriptionCallbacks.h",
+    "PushSubscriptionOptions.cpp",
+    "PushSubscriptionOptions.h",
+    "ServiceWorkerGlobalScopePush.h",
+    "ServiceWorkerRegistrationPush.cpp",
+    "ServiceWorkerRegistrationPush.h",
+  ]
+}