4 files changed, 33 insertions, 2 deletions

diff --git a/cc/debug/rendering_stats.cc b/cc/debug/rendering_stats.cc
index 582c763..a3d7a43 100644
--- a/cc/debug/rendering_stats.cc
+++ b/cc/debug/rendering_stats.cc
@@ -38,8 +38,9 @@ RenderingStats::RenderingStats()
     : frame_count(0),
       visible_content_area(0),
       approximated_visible_content_area(0),
-      checkerboarded_visible_content_area(0) {
-}
+      checkerboarded_visible_content_area(0),
+      checkerboarded_no_recording_content_area(0),
+      checkerboarded_needs_raster_content_area(0) {}
 
 RenderingStats::~RenderingStats() {
 }
@@ -54,6 +55,10 @@ RenderingStats::AsTraceableData() const {
                           approximated_visible_content_area);
   record_data->SetInteger("checkerboarded_visible_content_area",
                           checkerboarded_visible_content_area);
+  record_data->SetInteger("checkerboarded_no_recording_content_area",
+                          checkerboarded_no_recording_content_area);
+  record_data->SetInteger("checkerboarded_needs_raster_content_area",
+                          checkerboarded_needs_raster_content_area);
   draw_duration.AddToTracedValue("draw_duration_ms", record_data.get());
 
   draw_duration_estimate.AddToTracedValue("draw_duration_estimate_ms",
@@ -79,6 +84,10 @@ void RenderingStats::Add(const RenderingStats& other) {
   approximated_visible_content_area += other.approximated_visible_content_area;
   checkerboarded_visible_content_area +=
       other.checkerboarded_visible_content_area;
+  checkerboarded_no_recording_content_area +=
+      other.checkerboarded_no_recording_content_area;
+  checkerboarded_needs_raster_content_area +=
+      other.checkerboarded_needs_raster_content_area;
 
   draw_duration.Add(other.draw_duration);
   draw_duration_estimate.Add(other.draw_duration_estimate);
diff --git a/cc/debug/rendering_stats.h b/cc/debug/rendering_stats.h
index cb7ebb2c..fbe0d63 100644
--- a/cc/debug/rendering_stats.h
+++ b/cc/debug/rendering_stats.h
@@ -45,6 +45,8 @@ struct CC_EXPORT RenderingStats {
   int64 visible_content_area;
   int64 approximated_visible_content_area;
   int64 checkerboarded_visible_content_area;
+  int64 checkerboarded_no_recording_content_area;
+  int64 checkerboarded_needs_raster_content_area;
 
   TimeDeltaList draw_duration;
   TimeDeltaList draw_duration_estimate;
diff --git a/cc/debug/rendering_stats_instrumentation.cc b/cc/debug/rendering_stats_instrumentation.cc
index 315743b..e793c50 100644
--- a/cc/debug/rendering_stats_instrumentation.cc
+++ b/cc/debug/rendering_stats_instrumentation.cc
@@ -90,6 +90,24 @@ void RenderingStatsInstrumentation::AddCheckerboardedVisibleContentArea(
   impl_thread_rendering_stats_.checkerboarded_visible_content_area += area;
 }
 
+void RenderingStatsInstrumentation::AddCheckerboardedNoRecordingContentArea(
+    int64 area) {
+  if (!record_rendering_stats_)
+    return;
+
+  base::AutoLock scoped_lock(lock_);
+  impl_thread_rendering_stats_.checkerboarded_no_recording_content_area += area;
+}
+
+void RenderingStatsInstrumentation::AddCheckerboardedNeedsRasterContentArea(
+    int64 area) {
+  if (!record_rendering_stats_)
+    return;
+
+  base::AutoLock scoped_lock(lock_);
+  impl_thread_rendering_stats_.checkerboarded_needs_raster_content_area += area;
+}
+
 void RenderingStatsInstrumentation::AddDrawDuration(
     base::TimeDelta draw_duration,
     base::TimeDelta draw_duration_estimate) {
diff --git a/cc/debug/rendering_stats_instrumentation.h b/cc/debug/rendering_stats_instrumentation.h
index 4779688..92351e6 100644
--- a/cc/debug/rendering_stats_instrumentation.h
+++ b/cc/debug/rendering_stats_instrumentation.h
@@ -44,6 +44,8 @@ class CC_EXPORT RenderingStatsInstrumentation {
   void AddVisibleContentArea(int64 area);
   void AddApproximatedVisibleContentArea(int64 area);
   void AddCheckerboardedVisibleContentArea(int64 area);
+  void AddCheckerboardedNoRecordingContentArea(int64 area);
+  void AddCheckerboardedNeedsRasterContentArea(int64 area);
   void AddDrawDuration(base::TimeDelta draw_duration,
                        base::TimeDelta draw_duration_estimate);
   void AddBeginMainFrameToCommitDuration(