Remove parts of //cc we aren't using

cc/resources/filter_display_item.h

Index: cc/resources/filter_display_item.h
diff --git a/cc/resources/filter_display_item.h b/cc/resources/filter_display_item.h
deleted file mode 100644
index 28eeb95dc806f81ef9e8b9af1a79b644bd928602..0000000000000000000000000000000000000000
--- a/cc/resources/filter_display_item.h
+++ /dev/null
@@ -1,64 +0,0 @@
-// 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.
-
-#ifndef CC_RESOURCES_FILTER_DISPLAY_ITEM_H_
-#define CC_RESOURCES_FILTER_DISPLAY_ITEM_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
-#include "cc/output/filter_operations.h"
-#include "cc/resources/display_item.h"
-#include "ui/gfx/geometry/rect_f.h"
-
-class SkCanvas;
-class SkDrawPictureCallback;
-
-namespace cc {
-
-class CC_EXPORT FilterDisplayItem : public DisplayItem {
- public:
-  ~FilterDisplayItem() override;
-
-  static scoped_ptr<FilterDisplayItem> Create(const FilterOperations& filters,
-                                              gfx::RectF bounds) {
-    return make_scoped_ptr(new FilterDisplayItem(filters, bounds));
-  }
-
-  void Raster(SkCanvas* canvas, SkDrawPictureCallback* callback) const override;
-
-  bool IsSuitableForGpuRasterization() const override;
-  int ApproximateOpCount() const override;
-  size_t PictureMemoryUsage() const override;
-  void AsValueInto(base::trace_event::TracedValue* array) const override;
-
- protected:
-  FilterDisplayItem(const FilterOperations& filters, gfx::RectF bounds);
-
- private:
-  FilterOperations filters_;
-  gfx::RectF bounds_;
-};
-
-class CC_EXPORT EndFilterDisplayItem : public DisplayItem {
- public:
-  ~EndFilterDisplayItem() override;
-
-  static scoped_ptr<EndFilterDisplayItem> Create() {
-    return make_scoped_ptr(new EndFilterDisplayItem());
-  }
-
-  void Raster(SkCanvas* canvas, SkDrawPictureCallback* callback) const override;
-
-  bool IsSuitableForGpuRasterization() const override;
-  int ApproximateOpCount() const override;
-  size_t PictureMemoryUsage() const override;
-  void AsValueInto(base::trace_event::TracedValue* array) const override;
-
- protected:
-  EndFilterDisplayItem();
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_FILTER_DISPLAY_ITEM_H_