cc: Tell the LayerTreeHost that the filter context is needed.

cc/test/render_pass_test_utils.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/test/render_pass_test_utils.h"
 
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/quad_sink.h"
 #include "cc/quads/render_pass_draw_quad.h"
 #include "cc/quads/shared_quad_state.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/test/mock_quad_culler.h"
 #include "cc/test/render_pass_test_common.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include "third_party/skia/include/core/SkImageFilter.h"
 #include "ui/gfx/rect.h"
 
 namespace cc {
 
 TestRenderPass* AddRenderPass(RenderPassList* pass_list,
                               RenderPass::Id id,
                               gfx::Rect output_rect,
                               const gfx::Transform& root_transform) {
   scoped_ptr<TestRenderPass> pass(TestRenderPass::Create());
   pass->SetNew(id, output_rect, output_rect, root_transform);
@@ skipping 80 matching lines @@
         transform, output_rect.size(), output_rect, output_rect, false, 1);
   scoped_ptr<RenderPassDrawQuad> quad = RenderPassDrawQuad::Create();
   quad->SetNew(shared_state, output_rect, contributing_pass->id, false,
                mask_resource_id, output_rect, gfx::RectF(),
                FilterOperations(),
                filter, FilterOperations());
   quad_sink.Append(quad.PassAs<DrawQuad>(), &data);
 }
 
 }  // namespace cc