1 files changed, 29 insertions, 0 deletions
diff --git a/dom/chrome-webidl/DOMCollectedFrames.webidl b/dom/chrome-webidl/DOMCollectedFrames.webidl
new file mode 100644
index 0000000000..4875fbf8ba
--- /dev/null
+++ b/dom/chrome-webidl/DOMCollectedFrames.webidl
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+/**
+ * A single frame collected by the |CompositionRecorder|.
+ */
+[GenerateConversionToJS]
+dictionary DOMCollectedFrame {
+    /**
+     * The offset of the frame past the start point of the recording (in
+     * milliseconds).
+     */
+    required double timeOffset;
+    /** A data: URI containing the PNG image data of the frame. */
+    required ByteString dataUri;
+};
+
+/**
+ * Information about frames collected by the |CompositionRecorder|.
+ */
+[GenerateConversionToJS]
+dictionary DOMCollectedFrames {
+    /** The collected frames. */
+    required sequence<DOMCollectedFrame> frames;
+    /** The start point of the recording (in milliseconds). */
+    required double recordingStart;
+};