[CRD iOS] Move UI stuff into a subdirectory

remoting/client/fling_animation.cc

Index: remoting/client/fling_animation.cc
diff --git a/remoting/client/fling_animation.cc b/remoting/client/fling_animation.cc
deleted file mode 100644
index 109a5c4e3d0d85dce4c4f0c37f26c7cbd522c1f0..0000000000000000000000000000000000000000
--- a/remoting/client/fling_animation.cc
+++ /dev/null
@@ -1,46 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "remoting/client/fling_animation.h"
-
-#include "base/time/default_tick_clock.h"
-
-namespace remoting {
-
-FlingAnimation::FlingAnimation(float time_constant,
-                               const FlingCallback& fling_callback)
-    : fling_tracker_(time_constant),
-      fling_callback_(fling_callback),
-      clock_(new base::DefaultTickClock()) {}
-
-FlingAnimation::~FlingAnimation() {}
-
-void FlingAnimation::SetVelocity(float velocity_x, float velocity_y) {
-  fling_tracker_.StartFling(velocity_x, velocity_y);
-  fling_start_time_ = clock_->NowTicks();
-}
-
-bool FlingAnimation::IsAnimationInProgress() const {
-  return fling_tracker_.IsFlingInProgress();
-}
-
-void FlingAnimation::Tick() {
-  float dx, dy;
-  bool in_progress = fling_tracker_.TrackMovement(
-      clock_->NowTicks() - fling_start_time_, &dx, &dy);
-  if (in_progress) {
-    fling_callback_.Run(dx, dy);
-  }
-}
-
-void FlingAnimation::Abort() {
-  fling_tracker_.StopFling();
-}
-
-void FlingAnimation::SetTickClockForTest(
-    std::unique_ptr<base::TickClock> clock) {
-  clock_ = std::move(clock);
-}
-
-}  // namespace remoting