Devtools/CC: Remove continuous repainting feature

cc/trees/layer_tree_host_unittest.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.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/location.h"
@@ skipping 4465 matching lines @@
     EndTest();
   }
 
   void AfterTest() override {}
 
   FakeContentLayerClient layer_client_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestGpuRasterizationForced);
 
-class LayerTreeHostTestContinuousPainting : public LayerTreeHostTest {
- public:
-  LayerTreeHostTestContinuousPainting()
-      : num_commits_(0), num_draws_(0), bounds_(20, 20), child_layer_(NULL) {}
-
- protected:
-  enum { kExpectedNumCommits = 10 };
-
-  void SetupTree() override {
-    scoped_refptr<Layer> root_layer = Layer::Create(layer_settings());
-    root_layer->SetBounds(bounds_);
-
-    child_layer_ = FakePictureLayer::Create(layer_settings(), &client_);
-    child_layer_->SetBounds(bounds_);
-    child_layer_->SetIsDrawable(true);
-    root_layer->AddChild(child_layer_);
-
-    layer_tree_host()->SetRootLayer(root_layer);
-    layer_tree_host()->SetViewportSize(bounds_);
-    LayerTreeHostTest::SetupTree();
-  }
-
-  void BeginTest() override {
-    MainThreadTaskRunner()->PostTask(
-        FROM_HERE,
-        base::Bind(
-            &LayerTreeHostTestContinuousPainting::EnableContinuousPainting,
-            base::Unretained(this)));
-    // Wait 50x longer than expected.
-    double milliseconds_per_frame =
-        1000.0 / layer_tree_host()->settings().renderer_settings.refresh_rate;
-    MainThreadTaskRunner()->PostDelayedTask(
-        FROM_HERE,
-        base::Bind(
-            &LayerTreeHostTestContinuousPainting::DisableContinuousPainting,
-            base::Unretained(this)),
-        base::TimeDelta::FromMilliseconds(50 * kExpectedNumCommits *
-                                          milliseconds_per_frame));
-  }
-
-  void BeginMainFrame(const BeginFrameArgs& args) override {
-    child_layer_->SetNeedsDisplay();
-  }
-
-  void AfterTest() override {
-    EXPECT_LE(kExpectedNumCommits, num_commits_);
-    EXPECT_LE(kExpectedNumCommits, num_draws_);
-    EXPECT_LE(kExpectedNumCommits, child_layer_->update_count());
-  }
-
-  void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
-    if (++num_draws_ == kExpectedNumCommits)
-      EndTest();
-  }
-
-  void CommitCompleteOnThread(LayerTreeHostImpl* impl) override {
-    ++num_commits_;
-  }
-
- private:
-  void EnableContinuousPainting() {
-    LayerTreeDebugState debug_state = layer_tree_host()->debug_state();
-    debug_state.continuous_painting = true;
-    layer_tree_host()->SetDebugState(debug_state);
-  }
-
-  void DisableContinuousPainting() {
-    LayerTreeDebugState debug_state = layer_tree_host()->debug_state();
-    debug_state.continuous_painting = false;
-    layer_tree_host()->SetDebugState(debug_state);
-    EndTest();
-  }
-
-  int num_commits_;
-  int num_draws_;
-  const gfx::Size bounds_;
-  FakeContentLayerClient client_;
-  scoped_refptr<FakePictureLayer> child_layer_;
-};
-
-MULTI_THREAD_TEST_F(LayerTreeHostTestContinuousPainting);
-
 class LayerTreeHostTestWillBeginImplFrameHasDidFinishImplFrame
     : public LayerTreeHostTest {
  public:
   enum { kExpectedNumImplFrames = 10 };
 
   LayerTreeHostTestWillBeginImplFrameHasDidFinishImplFrame()
       : will_begin_impl_frame_count_(0), did_finish_impl_frame_count_(0) {}
 
   void BeginTest() override {
     // Kick off the test with a commit.
@@ skipping 1627 matching lines @@
   ScrollAndScaleSet scale_info_;
   ScrollAndScaleSet no_op_info_;
   bool requested_update_layers_;
   int commit_count_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostScrollingAndScalingUpdatesLayers);
 
 }  // namespace
 }  // namespace cc