Use TimeDelta::operator/() more, ash/ edition.

Bug: 1104532
Change-Id: Iea05cc80dbcee0f2aa84c777cded4e07e7cb1311
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2354989
Auto-Submit: Peter Kasting <pkasting@chromium.org>
Commit-Queue: James Cook <jamescook@chromium.org>
Reviewed-by: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#797941}

ash/accessibility/accessibility_focus_ring_group.cc

@@ -115,7 +115,7 @@ void AccessibilityFocusRingGroup::AnimateFocusRings(base::TimeTicks timestamp) {
       return;
     }
 
-    double fraction = delta.InSecondsF() / transition_time.InSecondsF();
+    double fraction = delta / transition_time;
 
     // Ease-in effect.
     fraction = pow(fraction, 0.3);

ash/accessibility/layer_animation_info.cc

@@ -27,12 +27,10 @@ void ComputeOpacity(LayerAnimationInfo* animation_info,
   }
 
   float opacity;
-  if (start_delta < fade_in_time) {
-    opacity = start_delta.InSecondsF() / fade_in_time.InSecondsF();
-  } else {
-    opacity = 1.0 - (change_delta.InSecondsF() /
-                     (fade_in_time + fade_out_time).InSecondsF());
-  }
+  if (start_delta < fade_in_time)
+    opacity = start_delta / fade_in_time;
+  else
+    opacity = 1.0 - (change_delta / (fade_in_time + fade_out_time));
 
   // Layer::SetOpacity will throw an error if we're not within 0...1.
   opacity = base::ClampToRange(opacity, 0.0f, 1.0f);

ash/app_list/views/expand_arrow_view.cc

@@ -335,11 +335,10 @@ void ExpandArrowView::AnimationProgressed(const gfx::Animation* animation) {
   }
 
   // Update pulse radius.
-  pulse_radius_ = base::ClampRound(
-      (kPulseMaxRadius - kPulseMinRadius) *
-      gfx::Tween::CalculateValue(
-          gfx::Tween::EASE_IN_OUT,
-          time.InMillisecondsF() / kCycleDuration.InMillisecondsF()));
+  pulse_radius_ =
+      base::ClampRound((kPulseMaxRadius - kPulseMinRadius) *
+                       gfx::Tween::CalculateValue(gfx::Tween::EASE_IN_OUT,
+                                                  time / kCycleDuration));
 
   // Update y position offset of the arrow.
   constexpr auto kArrowMoveOutBeginTime =
@@ -348,16 +347,14 @@ void ExpandArrowView::AnimationProgressed(const gfx::Animation* animation) {
   constexpr auto kArrowMoveInBeginTime = base::TimeDelta::FromMilliseconds(500);
   constexpr auto kArrowMoveInEndTime = base::TimeDelta::FromMilliseconds(900);
   if (time > kArrowMoveOutBeginTime && time <= kArrowMoveOutEndTime) {
-    const double progress =
-        (time - kArrowMoveOutBeginTime).InMillisecondsF() /
-        (kArrowMoveOutEndTime - kArrowMoveOutBeginTime).InMillisecondsF();
+    const double progress = (time - kArrowMoveOutBeginTime) /
+                            (kArrowMoveOutEndTime - kArrowMoveOutBeginTime);
     arrow_y_offset_ = base::ClampRound(
         -kTotalArrowYOffset *
         gfx::Tween::CalculateValue(gfx::Tween::EASE_IN, progress));
   } else if (time > kArrowMoveInBeginTime && time <= kArrowMoveInEndTime) {
-    const double progress =
-        (time - kArrowMoveInBeginTime).InMillisecondsF() /
-        (kArrowMoveInEndTime - kArrowMoveInBeginTime).InMillisecondsF();
+    const double progress = (time - kArrowMoveInBeginTime) /
+                            (kArrowMoveInEndTime - kArrowMoveInBeginTime);
     arrow_y_offset_ = base::ClampRound(
         kTotalArrowYOffset *
         (1 - gfx::Tween::CalculateValue(gfx::Tween::EASE_OUT, progress)));

ash/fast_ink/fast_ink_points.cc

@@ -97,8 +97,7 @@ float FastInkPoints::GetFadeoutFactor(int index) const {
   DCHECK(!life_duration_.is_zero());
   DCHECK(0 <= index && index < GetNumberOfPoints());
   base::TimeDelta age = collection_latest_time_ - points_[index].time;
-  return std::min(age.InMillisecondsF() / life_duration_.InMillisecondsF(),
-                  1.0);
+  return std::min(age / life_duration_, 1.0);
 }
 
 void FastInkPoints::Predict(const FastInkPoints& real_points,

ash/public/cpp/caption_buttons/frame_caption_button_container_view.cc

@@ -72,29 +72,25 @@ constexpr auto kShowAnimationDuration = kPositionAnimationDuration;
 // Value of |tablet_mode_animation_| showing to begin animating alpha of
 // |size_button_|.
 float SizeButtonShowStartValue() {
-  return kShowAnimationAlphaDelay.InMillisecondsF() /
-         kShowAnimationDuration.InMillisecondsF();
+  return kShowAnimationAlphaDelay / kShowAnimationDuration;
 }
 
 // Amount of |tablet_mode_animation_| showing to animate the alpha of
 // |size_button_|.
 float SizeButtonShowDuration() {
-  return kAlphaAnimationDuration.InMillisecondsF() /
-         kShowAnimationDuration.InMillisecondsF();
+  return kAlphaAnimationDuration / kShowAnimationDuration;
 }
 
 // Amount of |tablet_mode_animation_| hiding to animate the alpha of
 // |size_button_|.
 float SizeButtonHideDuration() {
-  return kAlphaAnimationDuration.InMillisecondsF() /
-         kHideAnimationDuration.InMillisecondsF();
+  return kAlphaAnimationDuration / kHideAnimationDuration;
 }
 
 // Value of |tablet_mode_animation_| hiding to begin animating the position of
 // buttons to the left of |size_button_|.
 float HidePositionStartValue() {
-  return 1.0f - kHidePositionDelay.InMillisecondsF() /
-                    kHideAnimationDuration.InMillisecondsF();
+  return 1.0f - kHidePositionDelay / kHideAnimationDuration;
 }
 
 // Bounds animation values to the range 0.0 - 1.0. Allows for mapping of offset

ash/wm/splitview/split_view_controller.cc

@@ -769,8 +769,7 @@ void SplitViewController::SnapWindow(aura::Window* window,
     // Apply the transform that |window| will undergo when the divider spawns.
     static const double value = gfx::Tween::CalculateValue(
         gfx::Tween::FAST_OUT_SLOW_IN,
-        kSplitviewDividerSpawnDelay.InMillisecondsF() /
-            kSplitviewWindowTransformDuration.InMillisecondsF());
+        kSplitviewDividerSpawnDelay / kSplitviewWindowTransformDuration);
     gfx::TransformAboutPivot(bounds.origin(),
                              gfx::Tween::TransformValueBetween(
                                  value, window->transform(), gfx::Transform()))