Convert RapporRecorder to use mojo.

components/rappor/recorder/rappor_recorder_impl.cc

Index: components/rappor/recorder/rappor_recorder_impl.cc
diff --git a/components/rappor/recorder/rappor_recorder_impl.cc b/components/rappor/recorder/rappor_recorder_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..183948a18157bf57b7bf570ceb37bcd40ed518b0
--- /dev/null
+++ b/components/rappor/recorder/rappor_recorder_impl.cc
@@ -0,0 +1,38 @@
+// 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/rappor/recorder/rappor_recorder_impl.h"
+
+#include "components/rappor/rappor_service.h"
+#include "components/rappor/rappor_utils.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+
+namespace rappor {
+
+RapporRecorderImpl::RapporRecorderImpl(RapporService* rappor_service)
+    : rappor_service_(rappor_service) {}
+
+RapporRecorderImpl::~RapporRecorderImpl() = default;
+
+// static
+void RapporRecorderImpl::Create(RapporService* rappor_service,
+                                rappor::mojom::RapporRecorderRequest request) {
+  mojo::MakeStrongBinding(base::MakeUnique<RapporRecorderImpl>(rappor_service),
+                          std::move(request));
+}
+
+void RapporRecorderImpl::RecordRappor(const std::string& metric,
+                                      const std::string& sample) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  rappor::SampleString(rappor_service_, metric,

[Alexei Svitkine (slow), 2016/10/07 16:31:58]

Nit: Remove rappor:: prefix here and on line 35.

[nigeltao1, 2016/10/11 23:44:55]

Done, and also on line 29.

+                       rappor::ETLD_PLUS_ONE_RAPPOR_TYPE, sample);
+}
+
+void RapporRecorderImpl::RecordRapporURL(const std::string& metric,
+                                         const GURL& sample) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  rappor::SampleDomainAndRegistryFromGURL(rappor_service_, metric, sample);
+}
+
+}  // namespace rappor