Remove parts of //cc we aren't using

cc/animation/animation_registrar.cc

Index: cc/animation/animation_registrar.cc
diff --git a/cc/animation/animation_registrar.cc b/cc/animation/animation_registrar.cc
deleted file mode 100644
index 3fb8055e1912c5b7063506f1d4f728017d2fda46..0000000000000000000000000000000000000000
--- a/cc/animation/animation_registrar.cc
+++ /dev/null
@@ -1,130 +0,0 @@
-// Copyright 2012 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 "cc/animation/animation_registrar.h"
-
-#include "base/trace_event/trace_event_argument.h"
-#include "cc/animation/layer_animation_controller.h"
-
-namespace cc {
-
-AnimationRegistrar::AnimationRegistrar() : supports_scroll_animations_(false) {
-}
-
-AnimationRegistrar::~AnimationRegistrar() {
-  AnimationControllerMap copy = all_animation_controllers_;
-  for (AnimationControllerMap::iterator iter = copy.begin();
-       iter != copy.end();
-       ++iter)
-    (*iter).second->SetAnimationRegistrar(nullptr);
-}
-
-scoped_refptr<LayerAnimationController>
-AnimationRegistrar::GetAnimationControllerForId(int id) {
-  scoped_refptr<LayerAnimationController> to_return;
-  if (!ContainsKey(all_animation_controllers_, id)) {
-    to_return = LayerAnimationController::Create(id);
-    to_return->SetAnimationRegistrar(this);
-    all_animation_controllers_[id] = to_return.get();
-  } else {
-    to_return = all_animation_controllers_[id];
-  }
-  return to_return;
-}
-
-void AnimationRegistrar::DidActivateAnimationController(
-    LayerAnimationController* controller) {
-  active_animation_controllers_[controller->id()] = controller;
-}
-
-void AnimationRegistrar::DidDeactivateAnimationController(
-    LayerAnimationController* controller) {
-  if (ContainsKey(active_animation_controllers_, controller->id()))
-    active_animation_controllers_.erase(controller->id());
-}
-
-void AnimationRegistrar::RegisterAnimationController(
-    LayerAnimationController* controller) {
-  all_animation_controllers_[controller->id()] = controller;
-}
-
-void AnimationRegistrar::UnregisterAnimationController(
-    LayerAnimationController* controller) {
-  if (ContainsKey(all_animation_controllers_, controller->id()))
-    all_animation_controllers_.erase(controller->id());
-  DidDeactivateAnimationController(controller);
-}
-
-bool AnimationRegistrar::ActivateAnimations() {
-  if (!needs_animate_layers())
-    return false;
-
-  TRACE_EVENT0("cc", "AnimationRegistrar::ActivateAnimations");
-  AnimationControllerMap active_controllers_copy =
-      active_animation_controllers_;
-  for (auto& it : active_controllers_copy)
-    it.second->ActivateAnimations();
-
-  return true;
-}
-
-bool AnimationRegistrar::AnimateLayers(base::TimeTicks monotonic_time) {
-  if (!needs_animate_layers())
-    return false;
-
-  TRACE_EVENT0("cc", "AnimationRegistrar::AnimateLayers");
-  AnimationControllerMap controllers_copy = active_animation_controllers_;
-  for (auto& it : controllers_copy)
-    it.second->Animate(monotonic_time);
-
-  return true;
-}
-
-bool AnimationRegistrar::UpdateAnimationState(bool start_ready_animations,
-                                              AnimationEventsVector* events) {
-  if (!needs_animate_layers())
-    return false;
-
-  TRACE_EVENT0("cc", "AnimationRegistrar::UpdateAnimationState");
-  AnimationControllerMap active_controllers_copy =
-      active_animation_controllers_;
-  for (auto& it : active_controllers_copy)
-    it.second->UpdateState(start_ready_animations, events);
-
-  return true;
-}
-
-void AnimationRegistrar::SetAnimationEvents(
-    scoped_ptr<AnimationEventsVector> events) {
-  for (size_t event_index = 0; event_index < events->size(); ++event_index) {
-    int event_layer_id = (*events)[event_index].layer_id;
-
-    // Use the map of all controllers, not just active ones, since non-active
-    // controllers may still receive events for impl-only animations.
-    const AnimationRegistrar::AnimationControllerMap& animation_controllers =
-        all_animation_controllers_;
-    auto iter = animation_controllers.find(event_layer_id);
-    if (iter != animation_controllers.end()) {
-      switch ((*events)[event_index].type) {
-        case AnimationEvent::STARTED:
-          (*iter).second->NotifyAnimationStarted((*events)[event_index]);
-          break;
-
-        case AnimationEvent::FINISHED:
-          (*iter).second->NotifyAnimationFinished((*events)[event_index]);
-          break;
-
-        case AnimationEvent::ABORTED:
-          (*iter).second->NotifyAnimationAborted((*events)[event_index]);
-          break;
-
-        case AnimationEvent::PROPERTY_UPDATE:
-          (*iter).second->NotifyAnimationPropertyUpdate((*events)[event_index]);
-          break;
-      }
-    }
-  }
-}
-
-}  // namespace cc