[Page Load Metrics] PageLoadMetrics Mojofication.

chrome/common/page_load_metrics/page_load_metrics.mojom

Index: chrome/common/page_load_metrics/page_load_metrics.mojom
diff --git a/chrome/common/page_load_metrics/page_load_metrics.mojom b/chrome/common/page_load_metrics/page_load_metrics.mojom
new file mode 100644
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+++ b/chrome/common/page_load_metrics/page_load_metrics.mojom
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+// Copyright 2017 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.
+
+module page_load_metrics.mojom;
+
+import "mojo/common/time.mojom";
+
+// See comments in page_load_timing.h for details on each field.
+
+struct DocumentTiming {
+  mojo.common.mojom.TimeDelta? dom_content_loaded_event_start;
+  mojo.common.mojom.TimeDelta? load_event_start;
+  mojo.common.mojom.TimeDelta? first_layout;
+};
+
+struct PaintTiming {
+  mojo.common.mojom.TimeDelta? first_paint;
+  mojo.common.mojom.TimeDelta? first_text_paint;
+  mojo.common.mojom.TimeDelta? first_image_paint;
+  mojo.common.mojom.TimeDelta? first_contentful_paint;
+  mojo.common.mojom.TimeDelta? first_meaningful_paint;
+};
+
+struct ParseTiming {
+  mojo.common.mojom.TimeDelta? parse_start;
+  mojo.common.mojom.TimeDelta? parse_stop;
+  mojo.common.mojom.TimeDelta? parse_blocked_on_script_load_duration;
+  mojo.common.mojom.TimeDelta? parse_blocked_on_script_load_from_document_write_duration;
+  mojo.common.mojom.TimeDelta? parse_blocked_on_script_execution_duration;
+  mojo.common.mojom.TimeDelta? parse_blocked_on_script_execution_from_document_write_duration;
+};
+
+struct StyleSheetTiming {
+  mojo.common.mojom.TimeDelta? author_style_sheet_parse_duration_before_fcp;
+  mojo.common.mojom.TimeDelta? update_style_duration_before_fcp;
+};
+
+struct PageLoadTiming {
+  mojo.common.mojom.Time navigation_start;
+  mojo.common.mojom.TimeDelta? response_start;
+  DocumentTiming document_timing;
+  PaintTiming paint_timing;
+  ParseTiming parse_timing;
+  StyleSheetTiming style_sheet_timing;
+};
+
+struct PageLoadMetadata {
+  int32 behavior_flags;
+};
+
+// Sent from renderer to browser process when the PageLoadTiming for the
+// associated frame changed.
+interface PageLoadMetrics {
+  UpdateTiming(PageLoadTiming page_load_timing, PageLoadMetadata page_load_metadata);
+};