Expose synthetic delays through the GPU benchmarking extension

content/common/synthetic_delay_configuration.h

Index: content/common/synthetic_delay_configuration.h
diff --git a/content/common/synthetic_delay_configuration.h b/content/common/synthetic_delay_configuration.h
new file mode 100644
index 0000000000000000000000000000000000000000..09bffe8224d68271e7c3dd3de9d8bb35bc8729e4
--- /dev/null
+++ b/content/common/synthetic_delay_configuration.h
@@ -0,0 +1,34 @@
+// Copyright 2013 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 CONTENT_COMMON_SYNTHETIC_DELAY_CONFIGURATION_H_
+#define CONTENT_COMMON_SYNTHETIC_DELAY_CONFIGURATION_H_
+
+#include <string>
+
+#include "base/time/time.h"
+#include "content/common/content_export.h"
+
+namespace content {
+
+struct CONTENT_EXPORT SyntheticDelayConfiguration {
+  SyntheticDelayConfiguration();
+  ~SyntheticDelayConfiguration();
+
+  // Duplicated from base::debug::TraceEventSyntheticDelay since the same enum
+  // cannot be used in two different IPC message sets.
+  enum Mode {
+    STATIC,
+    ONE_SHOT,
+    ALTERNATING
+  };
+
+  std::string name;
+  base::TimeDelta target_duration;
+  Mode mode;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_SYNTHETIC_DELAY_CONFIGURATION_H_