CC Animation: Remove Observers and Observations in namings.

cc/animation/animation.cc

 // 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.h"
 
 #include <cmath>
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_util.h"
@@ skipping 43 matching lines @@
       iterations_(1),
       iteration_start_(0),
       direction_(DIRECTION_NORMAL),
       playback_rate_(1),
       fill_mode_(FILL_MODE_BOTH),
       needs_synchronized_start_time_(false),
       received_finished_event_(false),
       suspended_(false),
       is_controlling_instance_(false),
       is_impl_only_(false),
-      affects_active_observers_(true),
-      affects_pending_observers_(true) {}
+      affects_active_elements_(true),
+      affects_pending_elements_(true) {}
 
 Animation::~Animation() {
   if (run_state_ == RUNNING || run_state_ == PAUSED)
     SetRunState(ABORTED, base::TimeTicks());
 }
 
 void Animation::SetRunState(RunState run_state,
                             base::TimeTicks monotonic_time) {
   if (suspended_)
     return;
@@ skipping 184 matching lines @@
   // the main thread.
   if (run_state_ == Animation::PAUSED ||
       other->run_state_ == Animation::PAUSED) {
     other->run_state_ = run_state_;
     other->pause_time_ = pause_time_;
     other->total_paused_time_ = total_paused_time_;
   }
 }
 
 }  // namespace cc