Add setting to disable latency recovery for tests

cc/test/layer_tree_test.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/test/layer_tree_test.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
@@ skipping 797 matching lines @@
   }
 
   shared_bitmap_manager_.reset(new TestSharedBitmapManager);
   gpu_memory_buffer_manager_.reset(new TestGpuMemoryBufferManager);
   task_graph_runner_.reset(new TestTaskGraphRunner);
 
   // Spend less time waiting for BeginFrame because the output is
   // mocked out.
   settings_.renderer_settings.refresh_rate = 200.0;
   settings_.background_animation_rate = 200.0;
+  // Disable latency recovery to make the scheduler more predictable in its
+  // actions and less dependent on timings to make decisions.
+  settings_.enable_latency_recovery = false;
   settings_.verify_clip_tree_calculations = true;
   settings_.verify_transform_tree_calculations = true;
   settings_.renderer_settings.buffer_to_texture_target_map =
       DefaultBufferToTextureTargetMapForTesting();
   // The TestCompositorFrameSink will provide a BeginFrameSource.
   settings_.use_compositor_frame_sink_begin_frame_source = true;
   InitializeSettings(&settings_);
   DCHECK(settings_.use_compositor_frame_sink_begin_frame_source);
   DCHECK(!settings_.use_external_begin_frame_source);
 
@@ skipping 92 matching lines @@
 }
 
 LayerTreeHost* LayerTreeTest::remote_client_layer_tree_host() {
   DCHECK(IsRemoteTest());
   DCHECK(task_runner_provider()->IsMainThread() ||
          task_runner_provider()->IsMainThreadBlocked());
   return remote_client_layer_tree_host_.get();
 }
 
 }  // namespace cc