[animations] Adds metrics for jank on selected layer animations

ui/views/animation/flood_fill_ink_drop_ripple.cc

Index: ui/views/animation/flood_fill_ink_drop_ripple.cc
diff --git a/ui/views/animation/flood_fill_ink_drop_ripple.cc b/ui/views/animation/flood_fill_ink_drop_ripple.cc
index e542679e98ed3ccb0b681adeef99315ab9a2e254..9888c07d771c2cc9e05400fadfd6ce064901831a 100644
--- a/ui/views/animation/flood_fill_ink_drop_ripple.cc
+++ b/ui/views/animation/flood_fill_ink_drop_ripple.cc
@@ -6,8 +6,10 @@
 
 #include <algorithm>
 
+#include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "third_party/skia/include/core/SkColor.h"
+#include "ui/compositor/animation_metrics_reporter_template.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_sequence.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
@@ -113,6 +115,11 @@ float CalculateCircleLayerRadius(const gfx::Rect& clip_bounds) {
   return std::max(clip_bounds.width(), clip_bounds.height()) / 2.f;
 }
 
+extern constexpr char kMetricName[] =
+    "Views.AnimationSmoothness.FloodFillRipple";
+base::LazyInstance<ui::AnimationMetricsReporterTemplate<kMetricName>>::Leaky
+    g_reporter = LAZY_INSTANCE_INITIALIZER;
+
 }  // namespace
 
 namespace views {
@@ -327,6 +334,7 @@ void FloodFillInkDropRipple::AnimateToTransform(
   if (animation_observer)
     sequence->AddObserver(animation_observer);
 
+  sequence->SetAnimationMetricsReporter(g_reporter.Pointer());
   animator->StartAnimation(sequence);
 }
 
@@ -348,6 +356,7 @@ void FloodFillInkDropRipple::PauseTransformAnimation(
   if (observer)
     sequence->AddObserver(observer);
 
+  sequence->SetAnimationMetricsReporter(g_reporter.Pointer());
   animator->StartAnimation(sequence);
 }
 
@@ -373,6 +382,7 @@ void FloodFillInkDropRipple::AnimateToOpacity(
   if (animation_observer)
     animation_sequence->AddObserver(animation_observer);
 
+  animation_sequence->SetAnimationMetricsReporter(g_reporter.Pointer());
   animator->StartAnimation(animation_sequence);
 }
 
@@ -394,6 +404,7 @@ void FloodFillInkDropRipple::PauseOpacityAnimation(
   if (observer)
     sequence->AddObserver(observer);
 
+  sequence->SetAnimationMetricsReporter(g_reporter.Pointer());
   animator->StartAnimation(sequence);
 }