Remove parts of //cc we aren't using

cc/layers/contents_scaling_layer_unittest.cc

-// 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/layers/contents_scaling_layer.h"
-
-#include <vector>
-
-#include "cc/test/fake_layer_tree_host.h"
-#include "cc/test/geometry_test_utils.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace cc {
-namespace {
-
-class MockContentsScalingLayer : public ContentsScalingLayer {
- public:
-  MockContentsScalingLayer()
-      : ContentsScalingLayer() {}
-
-  void SetNeedsDisplayRect(const gfx::Rect& dirty_rect) override {
-    last_needs_display_rect_ = dirty_rect;
-    ContentsScalingLayer::SetNeedsDisplayRect(dirty_rect);
-  }
-
-  const gfx::Rect& LastNeedsDisplayRect() const {
-    return last_needs_display_rect_;
-  }
-
- private:
-  ~MockContentsScalingLayer() override {}
-
-  gfx::Rect last_needs_display_rect_;
-};
-
-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);
-}
-
-TEST(ContentsScalingLayerTest, CheckContentsBounds) {
-  FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DIRECT_3D);
-  scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&client);
-
-  scoped_refptr<MockContentsScalingLayer> test_layer =
-      make_scoped_refptr(new MockContentsScalingLayer());
-
-  scoped_refptr<Layer> root = Layer::Create();
-  root->AddChild(test_layer);
-  host->SetRootLayer(root);
-
-  test_layer->SetBounds(gfx::Size(320, 240));
-
-  CalcDrawProps(host.get(), 1.f);
-  EXPECT_FLOAT_EQ(1.f, test_layer->contents_scale_x());
-  EXPECT_FLOAT_EQ(1.f, test_layer->contents_scale_y());
-  EXPECT_EQ(320, test_layer->content_bounds().width());
-  EXPECT_EQ(240, test_layer->content_bounds().height());
-
-  CalcDrawProps(host.get(), 2.f);
-  EXPECT_EQ(640, test_layer->content_bounds().width());
-  EXPECT_EQ(480, test_layer->content_bounds().height());
-
-  test_layer->SetBounds(gfx::Size(10, 20));
-  CalcDrawProps(host.get(), 2.f);
-  EXPECT_EQ(20, test_layer->content_bounds().width());
-  EXPECT_EQ(40, test_layer->content_bounds().height());
-
-  CalcDrawProps(host.get(), 1.33f);
-  EXPECT_EQ(14, test_layer->content_bounds().width());
-  EXPECT_EQ(27, test_layer->content_bounds().height());
-}
-
-}  // namespace
-}  // namespace cc