Type conversion fixes, ui/ edition.

ui/events/gesture_detection/velocity_tracker.cc

Index: ui/events/gesture_detection/velocity_tracker.cc
diff --git a/ui/events/gesture_detection/velocity_tracker.cc b/ui/events/gesture_detection/velocity_tracker.cc
index a3fd83e2e22247b6f9c77e04c10b39e65246c678..68060f955f92370be4bb6583c5ad1ec66a4aea67 100644
--- a/ui/events/gesture_detection/velocity_tracker.cc
+++ b/ui/events/gesture_detection/velocity_tracker.cc
@@ -594,7 +594,7 @@ bool LeastSquaresVelocityTrackerStrategy::GetEstimator(
     x[m] = position.x;
     y[m] = position.y;
     w[m] = ChooseWeight(index);
-    time[m] = -age.InSecondsF();
+    time[m] = -static_cast<float>(age.InSecondsF());
     index = (index == 0 ? HISTORY_SIZE : index) - 1;
   } while (++m < HISTORY_SIZE);
 
@@ -645,7 +645,7 @@ float LeastSquaresVelocityTrackerStrategy::ChooseWeight(uint32_t index) const {
       if (delta_millis < 0)
         return 0.5f;
       if (delta_millis < 10)
-        return 0.5f + delta_millis * 0.05;
+        return 0.5f + delta_millis * 0.05f;
 
       return 1.0f;
     }
@@ -663,11 +663,11 @@ float LeastSquaresVelocityTrackerStrategy::ChooseWeight(uint32_t index) const {
       if (age_millis < 0)
         return 0.5f;
       if (age_millis < 10)
-        return 0.5f + age_millis * 0.05;
+        return 0.5f + age_millis * 0.05f;
       if (age_millis < 50)
         return 1.0f;
       if (age_millis < 60)
-        return 0.5f + (60 - age_millis) * 0.05;
+        return 0.5f + (60 - age_millis) * 0.05f;
 
       return 0.5f;
     }