Remove parts of //cc we aren't using

cc/trees/layer_tree_host_unittest_occlusion.cc

Index: cc/trees/layer_tree_host_unittest_occlusion.cc
diff --git a/cc/trees/layer_tree_host_unittest_occlusion.cc b/cc/trees/layer_tree_host_unittest_occlusion.cc
deleted file mode 100644
index 9974ae4066b440c171f747d1df22d005a3cb67be..0000000000000000000000000000000000000000
--- a/cc/trees/layer_tree_host_unittest_occlusion.cc
+++ /dev/null
@@ -1,270 +0,0 @@
-// Copyright 2012 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 "cc/layers/layer.h"
-#include "cc/layers/picture_layer.h"
-#include "cc/test/fake_content_layer_client.h"
-#include "cc/test/layer_tree_test.h"
-#include "cc/trees/layer_tree_impl.h"
-
-namespace cc {
-namespace {
-
-#define EXPECT_OCCLUSION_EQ(expected, actual)              \
-  EXPECT_TRUE(expected.IsEqual(actual))                    \
-      << " Expected: " << expected.ToString() << std::endl \
-      << " Actual: " << actual.ToString();
-
-class LayerTreeHostOcclusionTest : public LayerTreeTest {
- protected:
-  void InitializeSettings(LayerTreeSettings* settings) override {
-    settings->minimum_occlusion_tracking_size = gfx::Size();
-  }
-};
-
-// Verify occlusion is set on the layer draw properties.
-class LayerTreeHostOcclusionTestDrawPropertiesOnLayer
-    : public LayerTreeHostOcclusionTest {
- public:
-  void SetupTree() override {
-    scoped_refptr<Layer> root = Layer::Create();
-    root->SetBounds(gfx::Size(100, 100));
-    root->SetIsDrawable(true);
-
-    scoped_refptr<Layer> child = Layer::Create();
-    child->SetBounds(gfx::Size(50, 60));
-    child->SetPosition(gfx::PointF(10.f, 5.5f));
-    child->SetContentsOpaque(true);
-    child->SetIsDrawable(true);
-    root->AddChild(child);
-
-    layer_tree_host()->SetRootLayer(root);
-    LayerTreeTest::SetupTree();
-  }
-
-  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
-
-  void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
-    LayerImpl* root = impl->active_tree()->root_layer();
-    LayerImpl* child = root->children()[0];
-
-    // Verify the draw properties are valid.
-    EXPECT_TRUE(root->IsDrawnRenderSurfaceLayerListMember());
-    EXPECT_TRUE(child->IsDrawnRenderSurfaceLayerListMember());
-
-    EXPECT_OCCLUSION_EQ(
-        Occlusion(child->draw_transform(), SimpleEnclosedRegion(),
-                  SimpleEnclosedRegion()),
-        child->draw_properties().occlusion_in_content_space);
-    EXPECT_OCCLUSION_EQ(
-        Occlusion(root->draw_transform(), SimpleEnclosedRegion(),
-                  SimpleEnclosedRegion(gfx::Rect(10, 6, 50, 59))),
-        root->draw_properties().occlusion_in_content_space);
-    EndTest();
-  }
-
-  void AfterTest() override {}
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostOcclusionTestDrawPropertiesOnLayer);
-
-// Verify occlusion is set on the render surfaces.
-class LayerTreeHostOcclusionTestDrawPropertiesOnSurface
-    : public LayerTreeHostOcclusionTest {
- public:
-  void SetupTree() override {
-    scoped_refptr<Layer> root = Layer::Create();
-    root->SetBounds(gfx::Size(100, 100));
-    root->SetIsDrawable(true);
-
-    scoped_refptr<Layer> child = Layer::Create();
-    child->SetBounds(gfx::Size(1, 1));
-    child->SetPosition(gfx::PointF(10.f, 5.5f));
-    child->SetIsDrawable(true);
-    child->SetForceRenderSurface(true);
-    root->AddChild(child);
-
-    scoped_refptr<Layer> child2 = Layer::Create();
-    child2->SetBounds(gfx::Size(10, 12));
-    child2->SetPosition(gfx::PointF(13.f, 8.5f));
-    child2->SetContentsOpaque(true);
-    child2->SetIsDrawable(true);
-    root->AddChild(child2);
-
-    layer_tree_host()->SetRootLayer(root);
-    LayerTreeTest::SetupTree();
-  }
-
-  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
-
-  void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
-    LayerImpl* root = impl->active_tree()->root_layer();
-    LayerImpl* child = root->children()[0];
-    RenderSurfaceImpl* surface = child->render_surface();
-
-    // Verify the draw properties are valid.
-    EXPECT_TRUE(root->IsDrawnRenderSurfaceLayerListMember());
-    EXPECT_TRUE(child->IsDrawnRenderSurfaceLayerListMember());
-    EXPECT_EQ(child, child->render_target());
-
-    EXPECT_OCCLUSION_EQ(
-        Occlusion(surface->draw_transform(), SimpleEnclosedRegion(),
-                  SimpleEnclosedRegion(gfx::Rect(13, 9, 10, 11))),
-        surface->occlusion_in_content_space());
-    EndTest();
-  }
-
-  void AfterTest() override {}
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(
-    LayerTreeHostOcclusionTestDrawPropertiesOnSurface);
-
-// Verify occlusion is set on mask layers.
-class LayerTreeHostOcclusionTestDrawPropertiesOnMask
-    : public LayerTreeHostOcclusionTest {
- public:
-  void SetupTree() override {
-    scoped_refptr<Layer> root = Layer::Create();
-    root->SetBounds(gfx::Size(100, 100));
-    root->SetIsDrawable(true);
-
-    scoped_refptr<Layer> child = Layer::Create();
-    child->SetBounds(gfx::Size(30, 40));
-    child->SetPosition(gfx::PointF(10.f, 5.5f));
-    child->SetIsDrawable(true);
-    root->AddChild(child);
-
-    scoped_refptr<Layer> make_surface_bigger = Layer::Create();
-    make_surface_bigger->SetBounds(gfx::Size(100, 100));
-    make_surface_bigger->SetPosition(gfx::PointF(-10.f, -15.f));
-    make_surface_bigger->SetIsDrawable(true);
-    child->AddChild(make_surface_bigger);
-
-    scoped_refptr<Layer> mask = PictureLayer::Create(&client_);
-    mask->SetBounds(gfx::Size(30, 40));
-    mask->SetIsDrawable(true);
-    child->SetMaskLayer(mask.get());
-
-    scoped_refptr<Layer> child2 = Layer::Create();
-    child2->SetBounds(gfx::Size(10, 12));
-    child2->SetPosition(gfx::PointF(13.f, 8.5f));
-    child2->SetContentsOpaque(true);
-    child2->SetIsDrawable(true);
-    root->AddChild(child2);
-
-    layer_tree_host()->SetRootLayer(root);
-    LayerTreeTest::SetupTree();
-  }
-
-  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
-
-  void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
-    LayerImpl* root = impl->active_tree()->root_layer();
-    LayerImpl* child = root->children()[0];
-    RenderSurfaceImpl* surface = child->render_surface();
-    LayerImpl* mask = child->mask_layer();
-
-    // Verify the draw properties are valid.
-    EXPECT_TRUE(root->IsDrawnRenderSurfaceLayerListMember());
-    EXPECT_TRUE(child->IsDrawnRenderSurfaceLayerListMember());
-    EXPECT_EQ(child, child->render_target());
-
-    gfx::Transform transform = surface->draw_transform();
-    transform.PreconcatTransform(child->draw_transform());
-
-    EXPECT_OCCLUSION_EQ(
-        Occlusion(transform, SimpleEnclosedRegion(),
-                  SimpleEnclosedRegion(gfx::Rect(13, 9, 10, 11))),
-        mask->draw_properties().occlusion_in_content_space);
-    EndTest();
-  }
-
-  void AfterTest() override {}
-
-  FakeContentLayerClient client_;
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostOcclusionTestDrawPropertiesOnMask);
-
-// Verify occlusion is set to empty inside the subtree of a replica. This is
-// done because the tile system does not know about replicas, and so would not
-// know that something is unoccluded on the replica even though it's occluded on
-// the original.
-class LayerTreeHostOcclusionTestDrawPropertiesInsideReplica
-    : public LayerTreeHostOcclusionTest {
- public:
-  void SetupTree() override {
-    scoped_refptr<Layer> root = Layer::Create();
-    root->SetBounds(gfx::Size(100, 100));
-    root->SetIsDrawable(true);
-
-    scoped_refptr<Layer> child = Layer::Create();
-    child->SetBounds(gfx::Size(1, 1));
-    child->SetPosition(gfx::PointF(10.f, 5.5f));
-    child->SetIsDrawable(true);
-    child->SetForceRenderSurface(true);
-    root->AddChild(child);
-
-    scoped_refptr<Layer> replica = Layer::Create();
-    gfx::Transform translate;
-    translate.Translate(20.f, 4.f);
-    replica->SetTransform(translate);
-    child->SetReplicaLayer(replica.get());
-
-    scoped_refptr<Layer> mask = PictureLayer::Create(&client_);
-    mask->SetBounds(gfx::Size(30, 40));
-    mask->SetIsDrawable(true);
-    child->SetMaskLayer(mask.get());
-
-    scoped_refptr<Layer> child2 = Layer::Create();
-    child2->SetBounds(gfx::Size(10, 12));
-    child2->SetPosition(gfx::PointF(13.f, 8.5f));
-    child2->SetContentsOpaque(true);
-    child2->SetIsDrawable(true);
-    root->AddChild(child2);
-
-    layer_tree_host()->SetRootLayer(root);
-    LayerTreeTest::SetupTree();
-  }
-
-  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
-
-  void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
-    LayerImpl* root = impl->active_tree()->root_layer();
-    LayerImpl* child = root->children()[0];
-    RenderSurfaceImpl* surface = child->render_surface();
-    LayerImpl* mask = child->mask_layer();
-
-    // Verify the draw properties are valid.
-    EXPECT_TRUE(root->IsDrawnRenderSurfaceLayerListMember());
-    EXPECT_TRUE(child->IsDrawnRenderSurfaceLayerListMember());
-    EXPECT_EQ(child, child->render_target());
-
-    // No occlusion from on child, which is part of the replica.
-    EXPECT_OCCLUSION_EQ(Occlusion(),
-                        child->draw_properties().occlusion_in_content_space);
-    // Occlusion on the surface is okay.
-    EXPECT_OCCLUSION_EQ(
-        Occlusion(surface->draw_transform(), SimpleEnclosedRegion(),
-                  SimpleEnclosedRegion(gfx::Rect(13, 9, 10, 11))),
-        surface->occlusion_in_content_space());
-    // No occlusion on the replica'd mask.
-    EXPECT_OCCLUSION_EQ(Occlusion(),
-                        mask->draw_properties().occlusion_in_content_space);
-    EndTest();
-  }
-
-  void AfterTest() override {}
-
-  FakeContentLayerClient client_;
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(
-    LayerTreeHostOcclusionTestDrawPropertiesInsideReplica);
-
-}  // namespace
-}  // namespace cc