De-client tracing.TraceController interface

mojo/common/trace_controller_impl.h

Index: mojo/common/trace_controller_impl.h
diff --git a/mojo/common/trace_controller_impl.h b/mojo/common/trace_controller_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..43c184673f95742f36a295369ffea8b809ac6897
--- /dev/null
+++ b/mojo/common/trace_controller_impl.h
@@ -0,0 +1,38 @@
+// 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.
+
+#ifndef MOJO_COMMON_TRACING_CONTROLLER_IMPL_H_
+#define MOJO_COMMON_TRACING_CONTROLLER_IMPL_H_
+
+#include "base/memory/ref_counted_memory.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+#include "services/tracing/tracing.mojom.h"
+
+namespace mojo {
+
+class TraceControllerImpl : public tracing::TraceController {
+ public:
+  TraceControllerImpl();
+
+  ~TraceControllerImpl() override;
+
+  void Bind(InterfaceRequest<tracing::TraceController> request);
+
+ private:
+  // Overridden from tracing::TraceController:
+  void StartTracing(const String& categories,
+                    tracing::TraceDataCollectorPtr collector) override;
+  void StopTracing() override;
+
+  void SendChunk(const scoped_refptr<base::RefCountedString>& events_str,
+                 bool has_more_events);
+
+  tracing::TraceDataCollectorPtr collector_;
+  StrongBinding<tracing::TraceController> binding_;
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_COMMON_TRACING_CONTROLLER_IMPL_H_