cc: Directly use property trees to calculate clip rect

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 <stddef.h>
 
 #include "base/thread_task_runner_handle.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/empty_content_layer_client.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/playback/display_item_list_settings.h"
 #include "cc/proto/layer.pb.h"
 #include "cc/test/fake_display_list_recording_source.h"
 #include "cc/test/fake_image_serialization_processor.h"
 #include "cc/test/fake_layer_tree_host.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_picture_layer.h"
 #include "cc/test/fake_picture_layer_impl.h"
 #include "cc/test/fake_proxy.h"
+#include "cc/test/layer_tree_settings_for_testing.h"
 #include "cc/test/skia_common.h"
 #include "cc/test/test_shared_bitmap_manager.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 
 class TestSerializationPictureLayer : public PictureLayer {
  public:
@@ skipping 293 matching lines @@
   host->CommitComplete();
   EXPECT_EQ(1, host->source_frame_number());
 
   layer->SavePaintProperties();
   layer->Update();
 
   FakeImplTaskRunnerProvider impl_task_runner_provider;
 
   TestSharedBitmapManager shared_bitmap_manager;
   scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d());
-  LayerTreeSettings layer_tree_settings = LayerTreeSettings();
+  LayerTreeSettings layer_tree_settings = LayerTreeSettingsForTesting();
   layer_tree_settings.image_decode_tasks_enabled = true;
   FakeLayerTreeHostImpl host_impl(layer_tree_settings,
                                   &impl_task_runner_provider,
                                   &shared_bitmap_manager, &task_graph_runner);
   host_impl.SetVisible(true);
   EXPECT_TRUE(host_impl.InitializeRenderer(output_surface.get()));
 
   host_impl.CreatePendingTree();
   host_impl.pending_tree()->SetRootLayer(
       FakePictureLayerImpl::Create(host_impl.pending_tree(), 1));
@@ skipping 71 matching lines @@
 }
 
 // PicturePile uses the source frame number as a unit for measuring invalidation
 // frequency. When a pile moves between compositors, the frame number increases
 // non-monotonically. This executes that code path under this scenario allowing
 // for the code to verify correctness with DCHECKs.
 TEST(PictureLayerTest, NonMonotonicSourceFrameNumber) {
   LayerTreeSettings settings;
   settings.single_thread_proxy_scheduler = false;
   settings.use_zero_copy = true;
+  settings.verify_clip_tree_calculations = true;
 
   FakeLayerTreeHostClient host_client1(FakeLayerTreeHostClient::DIRECT_3D);
   FakeLayerTreeHostClient host_client2(FakeLayerTreeHostClient::DIRECT_3D);
   TestSharedBitmapManager shared_bitmap_manager;
   TestTaskGraphRunner task_graph_runner;
 
   ContentLayerClient* client = EmptyContentLayerClient::GetInstance();
   scoped_refptr<FakePictureLayer> layer = FakePictureLayer::Create(client);
 
   LayerTreeHost::InitParams params;
@@ skipping 35 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