cc: Move UI Resource management out of LayerTreeHost.

cc/layers/painted_scrollbar_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/painted_scrollbar_layer_impl.h"
 
 #include <stddef.h>
 
 #include "cc/quads/draw_quad.h"
 #include "cc/quads/texture_draw_quad.h"
+#include "cc/resources/ui_resource_bitmap.h"
 #include "cc/test/layer_test_common.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 TEST(PaintedScrollbarLayerImplTest, Occlusion) {
   gfx::Size layer_size(10, 1000);
   float scale = 2.f;
   gfx::Size scaled_layer_size(20, 2000);
@@ skipping 102 matching lines @@
     LayerTestCommon::VerifyQuadsAreOccluded(
         impl.quad_list(), occluded, &partially_occluded_count);
     // The layer outputs two quads, which is partially occluded.
     EXPECT_EQ(2u, impl.quad_list().size());
     EXPECT_EQ(2u, partially_occluded_count);
   }
 }
 
 }  // namespace
 }  // namespace cc