1 files changed, 50 insertions, 0 deletions
diff --git a/cc/proto/begin_main_frame_and_commit_state.proto b/cc/proto/begin_main_frame_and_commit_state.proto
new file mode 100644
index 0000000..9881131
--- /dev/null
+++ b/cc/proto/begin_main_frame_and_commit_state.proto
@@ -0,0 +1,50 @@
+// 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.
+
+syntax = "proto2";
+
+import "vector2d.proto";
+import "vector2df.proto";
+
+option optimize_for = LITE_RUNTIME;
+
+package cc.proto;
+
+message ScrollUpdateInfo {
+  optional int64 layer_id = 1;
+  optional Vector2d scroll_delta = 2;
+}
+
+message ScrollAndScaleSet {
+  repeated ScrollUpdateInfo scrolls = 1;
+  optional float page_scale_delta = 2;
+  optional Vector2dF elastic_overscroll_delta = 3;
+  optional float top_controls_delta = 4;
+
+  // TODO(khushalsagar): Do we need to send swap promises?
+  // See crbug/576999.
+}
+
+message BeginFrameArgs {
+  enum BeginFrameArgsType {
+    INVALID = 1;
+    NORMAL = 2;
+    MISSED = 3;
+    BEGIN_FRAME_ARGS_TYPE_MAX = 100;
+  }
+
+  optional int64 frame_time = 1;
+  optional int64 deadline = 2;
+  optional int64 interval = 3;
+  optional BeginFrameArgsType type = 4;
+  optional bool on_critical_path = 5;
+}
+
+message BeginMainFrameAndCommitState {
+  optional int64 begin_frame_id = 1;
+  optional BeginFrameArgs begin_frame_args = 2;
+  optional ScrollAndScaleSet scroll_info = 3;
+  optional int64 memory_allocation_limit_bytes = 4;
+  optional bool evicted_ui_resources = 5;
+}
+\ No newline at end of file