Roll Chrome into Mojo.

cc/debug/frame_timing_request.h

Index: cc/debug/frame_timing_request.h
diff --git a/cc/debug/frame_timing_request.h b/cc/debug/frame_timing_request.h
new file mode 100644
index 0000000000000000000000000000000000000000..7ab97def0ab49a4e04991a4957b8beef3075a9f7
--- /dev/null
+++ b/cc/debug/frame_timing_request.h
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+// Copyright 2015 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 CC_DEBUG_FRAME_TIMING_REQUEST_H_
+#define CC_DEBUG_FRAME_TIMING_REQUEST_H_
+
+#include "ui/gfx/geometry/rect.h"
+
+namespace cc {
+
+// This class represents a request to record frame timing information about the
+// given rect (in layer space) and an associated request id. When this request
+// is propagated to the active LayerImpl, it will cause events to be saved in
+// FrameTimingTracker, which in turn can be consumed by the requester.
+class FrameTimingRequest {
+ public:
+  FrameTimingRequest();
+  FrameTimingRequest(int64_t request_id, const gfx::Rect& rect);
+
+  int64_t id() const { return id_; }
+  const gfx::Rect& rect() const { return rect_; }
+
+ private:
+  int64_t id_;
+  gfx::Rect rect_;
+};
+
+}  // namespace cc
+
+#endif  // CC_DEBUG_FRAME_TIMING_REQUEST_H_