cc: Delete non-impl-side-painting animation freezing logic

cc/trees/thread_proxy.h

 // Copyright 2011 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.
 
 #ifndef CC_TREES_THREAD_PROXY_H_
 #define CC_TREES_THREAD_PROXY_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 72 matching lines @@
   // Accessed on the main thread, or when main thread is blocked.
   struct MainThreadOrBlockedMainThread {
     explicit MainThreadOrBlockedMainThread(LayerTreeHost* host);
     ~MainThreadOrBlockedMainThread();
 
     PrioritizedResourceManager* contents_texture_manager();
 
     LayerTreeHost* layer_tree_host;
     bool commit_waits_for_activation;
     bool main_thread_inside_commit;
-
-    base::TimeTicks last_monotonic_frame_begin_time;
   };
 
   struct CompositorThreadOnly {
     CompositorThreadOnly(
         ThreadProxy* proxy,
         int layer_tree_host_id,
         RenderingStatsInstrumentation* rendering_stats_instrumentation);
     ~CompositorThreadOnly();
 
     const int layer_tree_host_id;
@@ skipping 17 matching lines @@
     scoped_ptr<ResourceUpdateController> current_resource_update_controller;
 
     // Set when the next draw should post DidCommitAndDrawFrame to the main
     // thread.
     bool next_frame_is_newly_committed_frame;
 
     bool inside_draw;
 
     bool input_throttled_until_commit;
 
-    // Set when we freeze animations to avoid checkerboarding.
-    bool animations_frozen_until_next_draw;
     base::TimeTicks animation_time;
 
     // Whether a commit has been completed since the last time animations were
     // ticked. If this happens, we need to animate again.
     bool did_commit_after_animating;
 
     DelayedUniqueNotifier smoothness_priority_expiration_notifier;
 
     ProxyTimingHistory timing_history;
 
@@ skipping 153 matching lines @@
 
   base::WeakPtr<ThreadProxy> main_thread_weak_ptr_;
   base::WeakPtr<ThreadProxy> impl_thread_weak_ptr_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadProxy);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_THREAD_PROXY_H_