Remove parts of //cc we aren't using

cc/layers/surface_layer_unittest.cc

Index: cc/layers/surface_layer_unittest.cc
diff --git a/cc/layers/surface_layer_unittest.cc b/cc/layers/surface_layer_unittest.cc
deleted file mode 100644
index 285acee2e122287d9a3c0d7b9d2ad6ca6b626587..0000000000000000000000000000000000000000
--- a/cc/layers/surface_layer_unittest.cc
+++ /dev/null
@@ -1,239 +0,0 @@
-// 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 <set>
-#include <vector>
-
-#include "base/message_loop/message_loop_proxy.h"
-#include "cc/layers/solid_color_layer.h"
-#include "cc/layers/surface_layer.h"
-#include "cc/test/fake_impl_proxy.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"
-#include "cc/test/fake_output_surface.h"
-#include "cc/test/layer_tree_test.h"
-#include "cc/test/test_shared_bitmap_manager.h"
-#include "cc/trees/layer_tree_host.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace cc {
-namespace {
-
-class SurfaceLayerTest : public testing::Test {
- public:
-  SurfaceLayerTest()
-      : fake_client_(
-            FakeLayerTreeHostClient(FakeLayerTreeHostClient::DIRECT_3D)) {}
-
- protected:
-  void SetUp() override {
-    layer_tree_host_ = FakeLayerTreeHost::Create(&fake_client_);
-    layer_tree_host_->SetViewportSize(gfx::Size(10, 10));
-  }
-
-  void TearDown() override {
-    if (layer_tree_host_) {
-      layer_tree_host_->SetRootLayer(nullptr);
-      layer_tree_host_ = nullptr;
-    }
-  }
-
-  scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
-  FakeLayerTreeHostClient fake_client_;
-  TestSharedBitmapManager shared_bitmap_manager_;
-};
-
-void SatisfyCallback(SurfaceSequence* out, SurfaceSequence in) {
-  *out = in;
-}
-
-void RequireCallback(SurfaceId* out_id,
-                     std::set<SurfaceSequence>* out,
-                     SurfaceId in_id,
-                     SurfaceSequence in) {
-  *out_id = in_id;
-  out->insert(in);
-}
-
-// Check that one surface can be referenced by multiple LayerTreeHosts, and
-// each will create its own SurfaceSequence that's satisfied on destruction.
-TEST_F(SurfaceLayerTest, MultipleFramesOneSurface) {
-  SurfaceSequence blank_change;  // Receives sequence if commit doesn't happen.
-
-  SurfaceId required_id;
-  std::set<SurfaceSequence> required_seq;
-  scoped_refptr<SurfaceLayer> layer(SurfaceLayer::Create(
-      base::Bind(&SatisfyCallback, &blank_change),
-      base::Bind(&RequireCallback, &required_id, &required_seq)));
-  layer->SetSurfaceId(SurfaceId(1), 1.f, gfx::Size(1, 1));
-  layer_tree_host_->set_surface_id_namespace(1);
-  layer_tree_host_->SetRootLayer(layer);
-
-  scoped_ptr<FakeLayerTreeHost> layer_tree_host2 =
-      FakeLayerTreeHost::Create(&fake_client_);
-  scoped_refptr<SurfaceLayer> layer2(SurfaceLayer::Create(
-      base::Bind(&SatisfyCallback, &blank_change),
-      base::Bind(&RequireCallback, &required_id, &required_seq)));
-  layer2->SetSurfaceId(SurfaceId(1), 1.f, gfx::Size(1, 1));
-  layer_tree_host2->set_surface_id_namespace(2);
-  layer_tree_host2->SetRootLayer(layer2);
-
-  // Layers haven't been removed, so no sequence should be satisfied.
-  EXPECT_TRUE(blank_change.is_null());
-
-  SurfaceSequence expected1(1u, 1u);
-  SurfaceSequence expected2(2u, 1u);
-
-  layer_tree_host2->SetRootLayer(nullptr);
-  layer_tree_host2.reset();
-
-  // Layer was removed so sequence from second LayerTreeHost should be
-  // satisfied.
-  EXPECT_TRUE(blank_change == expected2);
-
-  // Set of sequences that need to be satisfied should include sequences from
-  // both trees.
-  EXPECT_TRUE(required_id == SurfaceId(1));
-  EXPECT_EQ(2u, required_seq.size());
-  EXPECT_TRUE(required_seq.count(expected1));
-  EXPECT_TRUE(required_seq.count(expected2));
-
-  layer_tree_host_->SetRootLayer(nullptr);
-  layer_tree_host_.reset();
-
-  // Layer was removed so sequence from first LayerTreeHost should be
-  // satisfied.
-  EXPECT_TRUE(blank_change == expected1);
-
-  // No more SurfaceSequences should have been generated that need to have be
-  // satisfied.
-  EXPECT_EQ(2u, required_seq.size());
-}
-
-static void CalcDrawProps(FakeLayerTreeHost* host, float device_scale_factor) {
-  RenderSurfaceLayerList render_surface_layer_list;
-  LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting inputs(
-      host->root_layer(), gfx::Size(500, 500), &render_surface_layer_list);
-  inputs.device_scale_factor = device_scale_factor;
-  LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-}
-
-// Check that setting content scale on the surface works.
-TEST_F(SurfaceLayerTest, ScaleSurface) {
-  SurfaceSequence blank_change;
-  SurfaceId required_id;
-  std::set<SurfaceSequence> required_seq;
-  scoped_refptr<SurfaceLayer> layer(SurfaceLayer::Create(
-      base::Bind(&SatisfyCallback, &blank_change),
-      base::Bind(&RequireCallback, &required_id, &required_seq)));
-  gfx::Size surface_size(10, 15);
-  layer->SetSurfaceId(SurfaceId(1), 2.f, surface_size);
-  layer->SetBounds(gfx::Size(25, 45));
-  layer_tree_host_->SetRootLayer(layer);
-
-  CalcDrawProps(layer_tree_host_.get(), 5.f);
-  EXPECT_EQ(2.f, layer->contents_scale_x());
-  EXPECT_EQ(2.f, layer->contents_scale_y());
-  EXPECT_EQ(surface_size.ToString(), layer->content_bounds().ToString());
-
-  layer_tree_host_->SetRootLayer(nullptr);
-  layer_tree_host_.reset();
-}
-
-// Check that SurfaceSequence is sent through swap promise.
-class SurfaceLayerSwapPromise : public LayerTreeTest {
- public:
-  SurfaceLayerSwapPromise()
-      : commit_count_(0), sequence_was_satisfied_(false) {}
-
-  void BeginTest() override {
-    layer_tree_host()->set_surface_id_namespace(1);
-    layer_ = SurfaceLayer::Create(
-        base::Bind(&SatisfyCallback, &satisfied_sequence_),
-        base::Bind(&RequireCallback, &required_id_, &required_set_));
-    layer_->SetSurfaceId(SurfaceId(1), 1.f, gfx::Size(1, 1));
-
-    // Layer hasn't been added to tree so no SurfaceSequence generated yet.
-    EXPECT_EQ(0u, required_set_.size());
-
-    layer_tree_host()->SetRootLayer(layer_);
-
-    // Should have SurfaceSequence from first tree.
-    SurfaceSequence expected(1u, 1u);
-    EXPECT_TRUE(required_id_ == SurfaceId(1));
-    EXPECT_EQ(1u, required_set_.size());
-    EXPECT_TRUE(required_set_.count(expected));
-
-    gfx::Size bounds(100, 100);
-    layer_tree_host()->SetViewportSize(bounds);
-    PostSetNeedsCommitToMainThread();
-  }
-
-  void DidCommitAndDrawFrame() override {
-    base::MessageLoopProxy::current()->PostTask(
-        FROM_HERE, base::Bind(&SurfaceLayerSwapPromise::ChangeTree,
-                              base::Unretained(this)));
-  }
-
-  void ChangeTree() {
-    ++commit_count_;
-    switch (commit_count_) {
-      case 1:
-        // Remove SurfaceLayer from tree to cause SwapPromise to be created.
-        blank_layer_ = SolidColorLayer::Create();
-        blank_layer_->SetIsDrawable(true);
-        blank_layer_->SetBounds(gfx::Size(10, 10));
-        layer_tree_host()->SetRootLayer(blank_layer_);
-        break;
-      case 2:
-        break;
-      default:
-        NOTREACHED();
-        break;
-    }
-  }
-
-  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
-    EXPECT_TRUE(result);
-    std::vector<uint32_t>& satisfied =
-        output_surface()->last_sent_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(1));
-    EXPECT_EQ(1u, required_set_.size());
-    // Sequence should have been satisfied through Swap, not with the
-    // callback.
-    EXPECT_TRUE(satisfied_sequence_.is_null());
-  }
-
- private:
-  int commit_count_;
-  bool sequence_was_satisfied_;
-  scoped_refptr<SurfaceLayer> layer_;
-  scoped_refptr<Layer> blank_layer_;
-  SurfaceSequence satisfied_sequence_;
-
-  SurfaceId required_id_;
-  std::set<SurfaceSequence> required_set_;
-};
-
-// TODO(jbauman): Reenable on single thread once http://crbug.com/421923 is
-// fixed.
-MULTI_THREAD_TEST_F(SurfaceLayerSwapPromise);
-
-}  // namespace
-}  // namespace cc