NTP: Extract JSON requests from Fetcher.

components/ntp_snippets/remote/ntp_snippets_request_params.cc

Index: components/ntp_snippets/remote/ntp_snippets_request_params.cc
diff --git a/components/ntp_snippets/remote/ntp_snippets_request_params.cc b/components/ntp_snippets/remote/ntp_snippets_request_params.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e25035e3f7a17454a1f765d5eb4e9247db8aeddb
--- /dev/null
+++ b/components/ntp_snippets/remote/ntp_snippets_request_params.cc
@@ -0,0 +1,14 @@
+// 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.
+
+#include "components/ntp_snippets/remote/ntp_snippets_request_params.h"
+
+namespace ntp_snippets {
+
+NTPSnippetsRequestParams::NTPSnippetsRequestParams() = default;
+NTPSnippetsRequestParams::NTPSnippetsRequestParams(
+    const NTPSnippetsRequestParams&) = default;
+NTPSnippetsRequestParams::~NTPSnippetsRequestParams() = default;
+
+}  // namespace ntp_snippets