Reland of Getting rid of CompositorFrameMetadata::satisfies_sequences

cc/layers/surface_layer_unittest.cc

 // Copyright 2014 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 <stdint.h>
 
 #include <set>
 #include <vector>
 
 #include "base/location.h"
+#include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/animation/animation_host.h"
 #include "cc/layers/solid_color_layer.h"
 #include "cc/layers/surface_layer.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/test/fake_impl_task_runner_provider.h"
 #include "cc/test/fake_layer_tree_host.h"
 #include "cc/test/fake_layer_tree_host_client.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
@@ skipping 83 matching lines @@
 
   SurfaceSequence expected1(FrameSinkId(1, 1), 1u);
   SurfaceSequence expected2(FrameSinkId(2, 2), 1u);
 
   layer_tree_host2->SetRootLayer(nullptr);
   layer_tree_host2.reset();
   animation_host2 = nullptr;
 
   // Layer was removed so sequence from second LayerTreeHost should be
   // satisfied.
+  base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(blank_change == expected2);
 
   // Set of sequences that need to be satisfied should include sequences from
   // both trees.
   EXPECT_TRUE(required_id == SurfaceId(kArbitraryFrameSinkId,
                                        LocalFrameId(1, kArbitraryToken)));
   EXPECT_EQ(2u, required_seq.size());
   EXPECT_TRUE(required_seq.count(expected1));
   EXPECT_TRUE(required_seq.count(expected2));
 
   layer_tree_->SetRootLayer(nullptr);
   layer_tree_host_.reset();
 
   // Layer was removed so sequence from first LayerTreeHost should be
   // satisfied.
+  base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(blank_change == expected1);
 
   // No more SurfaceSequences should have been generated that need to have be
   // satisfied.
   EXPECT_EQ(2u, required_seq.size());
 }
 
 // Check that SurfaceSequence is sent through swap promise.
 class SurfaceLayerSwapPromise : public LayerTreeTest {
  public:
@@ skipping 57 matching lines @@
 class SurfaceLayerSwapPromiseWithDraw : public SurfaceLayerSwapPromise {
  public:
   void ChangeTree() override {
     ++commit_count_;
     switch (commit_count_) {
       case 1:
         // Remove SurfaceLayer from tree to cause SwapPromise to be created.
         layer_tree()->SetRootLayer(blank_layer_);
         break;
       case 2:
+        EndTest();
         break;
       default:
         NOTREACHED();
         break;
     }
   }
 
-  void DisplayReceivedCompositorFrameOnThread(
-      const CompositorFrame& frame) override {
-    const std::vector<uint32_t>& satisfied = frame.metadata.satisfies_sequences;
-    EXPECT_LE(satisfied.size(), 1u);
-    if (satisfied.size() == 1) {
-      // Eventually the one SurfaceSequence should be satisfied, but only
-      // after the layer was removed from the tree, and only once.
-      EXPECT_EQ(1u, satisfied[0]);
-      EXPECT_LE(1, commit_count_);
-      EXPECT_FALSE(sequence_was_satisfied_);
-      sequence_was_satisfied_ = true;
-      EndTest();
-    }
-  }
-
   void AfterTest() override {
     EXPECT_TRUE(required_id_ == SurfaceId(kArbitraryFrameSinkId,
                                           LocalFrameId(1, kArbitraryToken)));
     EXPECT_EQ(1u, required_set_.size());
-    // Sequence should have been satisfied through Swap, not with the
-    // callback.
-    EXPECT_FALSE(satisfied_sequence_.is_valid());
+    EXPECT_TRUE(satisfied_sequence_ ==
+                SurfaceSequence(kArbitraryFrameSinkId, 1u));
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(SurfaceLayerSwapPromiseWithDraw);
 
 // Check that SurfaceSequence is sent through swap promise and resolved when
 // swap fails.
 class SurfaceLayerSwapPromiseWithoutDraw : public SurfaceLayerSwapPromise {
  public:
   SurfaceLayerSwapPromiseWithoutDraw() : SurfaceLayerSwapPromise() {}
@@ skipping 17 matching lines @@
       default:
         EndTest();
         break;
     }
   }
 
   void AfterTest() override {
     EXPECT_TRUE(required_id_ == SurfaceId(kArbitraryFrameSinkId,
                                           LocalFrameId(1, kArbitraryToken)));
     EXPECT_EQ(1u, required_set_.size());
-    // Sequence should have been satisfied with the callback.
     EXPECT_TRUE(satisfied_sequence_ ==
                 SurfaceSequence(kArbitraryFrameSinkId, 1u));
   }
 };
 
 MULTI_THREAD_TEST_F(SurfaceLayerSwapPromiseWithoutDraw);
 
 }  // namespace
 }  // namespace cc