cc: Remove SetLayerTreeHostClientReady()

cc/layers/picture_layer_unittest.cc

 // Copyright 2013 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/layers/picture_layer.h"
 
 #include "base/thread_task_runner_handle.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/playback/display_item_list_settings.h"
@@ skipping 121 matching lines @@
       FakePictureLayer::Create(LayerSettings(), &client);
 
   LayerTreeHost::InitParams params;
   params.client = &host_client1;
   params.shared_bitmap_manager = &shared_bitmap_manager;
   params.settings = &settings;
   params.task_graph_runner = &task_graph_runner;
   params.main_task_runner = base::ThreadTaskRunnerHandle::Get();
   scoped_ptr<LayerTreeHost> host1 =
       LayerTreeHost::CreateSingleThreaded(&host_client1, &params);
+  host1->SetVisible(true);
   host_client1.SetLayerTreeHost(host1.get());
 
   params.client = &host_client2;
   scoped_ptr<LayerTreeHost> host2 =
       LayerTreeHost::CreateSingleThreaded(&host_client2, &params);
+  host2->SetVisible(true);
   host_client2.SetLayerTreeHost(host2.get());
 
   // The PictureLayer is put in one LayerTreeHost.
   host1->SetRootLayer(layer);
   // Do a main frame, record the picture layers.
   EXPECT_EQ(0, layer->update_count());
   layer->SetNeedsDisplay();
   host1->Composite(base::TimeTicks::Now());
   EXPECT_EQ(1, layer->update_count());
   EXPECT_EQ(1, host1->source_frame_number());
@@ skipping 11 matching lines @@
   // Do a main frame, record the picture layers. The frame number has changed
   // non-monotonically.
   layer->SetNeedsDisplay();
   host2->Composite(base::TimeTicks::Now());
   EXPECT_EQ(3, layer->update_count());
   EXPECT_EQ(1, host2->source_frame_number());
 }
 
 }  // namespace
 }  // namespace cc