[Page Load Metrics] Structure PageLoadTiming.

chrome/common/page_load_metrics/page_load_timing.cc

Index: chrome/common/page_load_metrics/page_load_timing.cc
diff --git a/chrome/common/page_load_metrics/page_load_timing.cc b/chrome/common/page_load_metrics/page_load_timing.cc
index 9ce7705baca0e990be0c45250ed031fdbc7374a6..f926f8d679a9856b830d528901c5801b5638b61a 100644
--- a/chrome/common/page_load_metrics/page_load_timing.cc
+++ b/chrome/common/page_load_metrics/page_load_timing.cc
@@ -6,6 +6,69 @@
 
 namespace page_load_metrics {
 
+DocumentTiming::DocumentTiming() {}
+
+DocumentTiming::DocumentTiming(const DocumentTiming& other) = default;
+
+DocumentTiming::~DocumentTiming() {}
+
+bool DocumentTiming::operator==(const DocumentTiming& other) const {
+  return dom_content_loaded_event_start ==
+             other.dom_content_loaded_event_start &&
+         load_event_start == other.load_event_start &&
+         first_layout == other.first_layout;
+}
+
+bool DocumentTiming::IsEmpty() const {
+  return !dom_content_loaded_event_start && !load_event_start && !first_layout;
+}
+
+PaintTiming::PaintTiming() {}
+
+PaintTiming::PaintTiming(const PaintTiming& other) = default;
+
+PaintTiming::~PaintTiming() {}
+
+bool PaintTiming::operator==(const PaintTiming& other) const {
+  return first_paint == other.first_paint &&
+         first_text_paint == other.first_text_paint &&
+         first_image_paint == other.first_image_paint &&
+         first_contentful_paint == other.first_contentful_paint &&
+         first_meaningful_paint == other.first_meaningful_paint;
+}
+
+bool PaintTiming::IsEmpty() const {
+  return !first_paint && !first_text_paint && !first_image_paint &&
+         !first_contentful_paint && !first_meaningful_paint;
+}
+
+ParseTiming::ParseTiming() {}
+
+ParseTiming::ParseTiming(const ParseTiming& other) = default;
+
+ParseTiming::~ParseTiming() {}
+
+bool ParseTiming::operator==(const ParseTiming& other) const {
+  return parse_start == other.parse_start && parse_stop == other.parse_stop &&
+         parse_blocked_on_script_load_duration ==
+             other.parse_blocked_on_script_load_duration &&
+         parse_blocked_on_script_load_from_document_write_duration ==
+             other.parse_blocked_on_script_load_from_document_write_duration &&
+         parse_blocked_on_script_execution_duration ==
+             other.parse_blocked_on_script_execution_duration &&
+         parse_blocked_on_script_execution_from_document_write_duration ==
+             other
+                 .parse_blocked_on_script_execution_from_document_write_duration;
+}
+
+bool ParseTiming::IsEmpty() const {
+  return !parse_start && !parse_stop &&
+         !parse_blocked_on_script_load_duration &&
+         !parse_blocked_on_script_load_from_document_write_duration &&
+         !parse_blocked_on_script_execution_duration &&
+         !parse_blocked_on_script_execution_from_document_write_duration;
+}
+
 StyleSheetTiming::StyleSheetTiming() {}
 
 StyleSheetTiming::StyleSheetTiming(const StyleSheetTiming& other) = default;
@@ -33,39 +96,16 @@ PageLoadTiming::~PageLoadTiming() {}
 bool PageLoadTiming::operator==(const PageLoadTiming& other) const {
   return navigation_start == other.navigation_start &&
          response_start == other.response_start &&
-         dom_content_loaded_event_start ==
-             other.dom_content_loaded_event_start &&
-         load_event_start == other.load_event_start &&
-         first_layout == other.first_layout &&
-         first_paint == other.first_paint &&
-         first_text_paint == other.first_text_paint &&
-         first_image_paint == other.first_image_paint &&
-         first_contentful_paint == other.first_contentful_paint &&
-         first_meaningful_paint == other.first_meaningful_paint &&
-         parse_start == other.parse_start && parse_stop == other.parse_stop &&
-         parse_blocked_on_script_load_duration ==
-             other.parse_blocked_on_script_load_duration &&
-         parse_blocked_on_script_load_from_document_write_duration ==
-             other.parse_blocked_on_script_load_from_document_write_duration &&
-         parse_blocked_on_script_execution_duration ==
-             other.parse_blocked_on_script_execution_duration &&
-         parse_blocked_on_script_execution_from_document_write_duration ==
-             other
-                 .parse_blocked_on_script_execution_from_document_write_duration &&
+         document_timing == other.document_timing &&
+         paint_timing == other.paint_timing &&
+         parse_timing == other.parse_timing &&
          style_sheet_timing == other.style_sheet_timing;
 }
 
 bool PageLoadTiming::IsEmpty() const {
   return navigation_start.is_null() && !response_start &&
-         !dom_content_loaded_event_start && !load_event_start &&
-         !first_layout && !first_paint && !first_text_paint &&
-         !first_image_paint && !first_contentful_paint &&
-         !first_meaningful_paint && !parse_start && !parse_stop &&
-         !parse_blocked_on_script_load_duration &&
-         !parse_blocked_on_script_load_from_document_write_duration &&
-         !parse_blocked_on_script_execution_duration &&
-         !parse_blocked_on_script_execution_from_document_write_duration &&
-         style_sheet_timing.IsEmpty();
+         document_timing.IsEmpty() && paint_timing.IsEmpty() &&
+         parse_timing.IsEmpty() && style_sheet_timing.IsEmpty();
 }
 
 PageLoadMetadata::PageLoadMetadata() {}