cc: Remove SetLayerTreeHostClientReady()

cc/trees/layer_tree_host_impl.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_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <set>
@@ skipping 158 matching lines @@
       use_msaa_(false),
       gpu_rasterization_status_(GpuRasterizationStatus::OFF_DEVICE),
       tree_resources_for_gpu_rasterization_dirty_(false),
       input_handler_client_(NULL),
       did_lock_scrolling_layer_(false),
       wheel_scrolling_(false),
       scroll_affects_scroll_handler_(false),
       scroll_layer_id_when_mouse_over_scrollbar_(0),
       tile_priorities_dirty_(false),
       settings_(settings),
-      visible_(true),
+      visible_(false),
       cached_managed_memory_policy_(settings.memory_policy_),
       is_synchronous_single_threaded_(!proxy->HasImplThread() &&
                                       !settings.single_thread_proxy_scheduler),
       // Must be initialized after is_synchronous_single_threaded_ and proxy_.
       tile_manager_(
           TileManager::Create(this,
                               GetTaskRunner(),
                               is_synchronous_single_threaded_
                                   ? std::numeric_limits<size_t>::max()
                                   : settings.scheduled_raster_task_limit)),
@@ skipping 3394 matching lines @@
   if (active_tree()) {
     LayerAnimationValueProvider* layer = active_tree()->LayerById(layer_id);
     if (layer)
       return layer->ScrollOffsetForAnimation();
   }
 
   return gfx::ScrollOffset();
 }
 
 }  // namespace cc