Remove parts of //cc we aren't using

cc/layers/io_surface_layer_impl_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 "cc/layers/io_surface_layer_impl.h"
-
-#include "cc/test/layer_test_common.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace cc {
-namespace {
-
-TEST(IOSurfaceLayerImplTest, Occlusion) {
-  gfx::Size layer_size(1000, 1000);
-  gfx::Size viewport_size(1000, 1000);
-
-  LayerTestCommon::LayerImplTest impl;
-
-  IOSurfaceLayerImpl* io_surface_layer_impl =
-      impl.AddChildToRoot<IOSurfaceLayerImpl>();
-  io_surface_layer_impl->SetBounds(layer_size);
-  io_surface_layer_impl->SetContentBounds(layer_size);
-  io_surface_layer_impl->SetDrawsContent(true);
-
-  impl.CalcDrawProps(viewport_size);
-
-  {
-    SCOPED_TRACE("No occlusion");
-    gfx::Rect occluded;
-    impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded);
-
-    LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
-                                                 gfx::Rect(layer_size));
-    EXPECT_EQ(1u, impl.quad_list().size());
-  }
-
-  {
-    SCOPED_TRACE("Full occlusion");
-    gfx::Rect occluded(io_surface_layer_impl->visible_content_rect());
-    impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded);
-
-    LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
-    EXPECT_EQ(impl.quad_list().size(), 0u);
-  }
-
-  {
-    SCOPED_TRACE("Partial occlusion");
-    gfx::Rect occluded(200, 0, 800, 1000);
-    impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded);
-
-    size_t partially_occluded_count = 0;
-    LayerTestCommon::VerifyQuadsAreOccluded(
-        impl.quad_list(), occluded, &partially_occluded_count);
-    // The layer outputs one quad, which is partially occluded.
-    EXPECT_EQ(1u, impl.quad_list().size());
-    EXPECT_EQ(1u, partially_occluded_count);
-  }
-}
-
-}  // namespace
-}  // namespace cc