Remove runtime toggling of throttling frames

cc/trees/layer_tree_host.cc

 // 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.
 
 #include "cc/trees/layer_tree_host.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 790 matching lines @@
   SetNeedsCommit();
 }
 
 void LayerTreeHost::SetVisible(bool visible) {
   if (visible_ == visible)
     return;
   visible_ = visible;
   proxy_->SetVisible(visible);
 }
 
-void LayerTreeHost::SetThrottleFrameProduction(bool throttle) {
-  proxy_->SetThrottleFrameProduction(throttle);
-}
-
 void LayerTreeHost::StartPageScaleAnimation(const gfx::Vector2d& target_offset,
                                             bool use_anchor,
                                             float scale,
                                             base::TimeDelta duration) {
   pending_page_scale_animation_.reset(
       new PendingPageScaleAnimation(
           target_offset,
           use_anchor,
           scale,
           duration));
@@ skipping 788 matching lines @@
   LayerTreeHostCommon::CallFunctionForSubtree(
       root_layer(), [seq_num](Layer* layer) {
         layer->set_property_tree_sequence_number(seq_num);
       });
 
   surface_id_namespace_ = proto.surface_id_namespace();
   next_surface_sequence_ = proto.next_surface_sequence();
 }
 
 }  // namespace cc