Remove parts of //cc we aren't using

cc/base/region.h

Index: cc/base/region.h
diff --git a/cc/base/region.h b/cc/base/region.h
deleted file mode 100644
index 583311e09fe007618f133e5084db6183f5ddd288..0000000000000000000000000000000000000000
--- a/cc/base/region.h
+++ /dev/null
@@ -1,140 +0,0 @@
-// Copyright (c) 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.
-
-#ifndef CC_BASE_REGION_H_
-#define CC_BASE_REGION_H_
-
-#include <string>
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
-#include "third_party/skia/include/core/SkRegion.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/skia_util.h"
-
-namespace base {
-class Value;
-namespace trace_event {
-class TracedValue;
-}
-}
-
-namespace cc {
-class SimpleEnclosedRegion;
-
-class CC_EXPORT Region {
- public:
-  Region();
-  Region(const Region& region);
-  Region(const gfx::Rect& rect);  // NOLINT(runtime/explicit)
-  ~Region();
-
-  const Region& operator=(const gfx::Rect& rect);
-  const Region& operator=(const Region& region);
-
-  void Swap(Region* region);
-  void Clear();
-  bool IsEmpty() const;
-  int GetRegionComplexity() const;
-
-  bool Contains(const gfx::Point& point) const;
-  bool Contains(const gfx::Rect& rect) const;
-  bool Contains(const Region& region) const;
-
-  bool Intersects(const gfx::Rect& rect) const;
-  bool Intersects(const Region& region) const;
-
-  void Subtract(const gfx::Rect& rect);
-  void Subtract(const Region& region);
-  void Subtract(const SimpleEnclosedRegion& region);
-  void Union(const gfx::Rect& rect);
-  void Union(const Region& region);
-  void Intersect(const gfx::Rect& rect);
-  void Intersect(const Region& region);
-
-  bool Equals(const Region& other) const {
-    return skregion_ == other.skregion_;
-  }
-
-  gfx::Rect bounds() const {
-    return gfx::SkIRectToRect(skregion_.getBounds());
-  }
-
-  std::string ToString() const;
-  scoped_ptr<base::Value> AsValue() const;
-  void AsValueInto(base::trace_event::TracedValue* array) const;
-
-  class CC_EXPORT Iterator {
-   public:
-    Iterator();
-    explicit Iterator(const Region& region);
-    ~Iterator();
-
-    gfx::Rect rect() const {
-      return gfx::SkIRectToRect(it_.rect());
-    }
-
-    void next() {
-      it_.next();
-    }
-
-    bool has_rect() const {
-      return !it_.done();
-    }
-
-   private:
-    SkRegion::Iterator it_;
-  };
-
- private:
-  SkRegion skregion_;
-};
-
-inline bool operator==(const Region& a, const Region& b) {
-  return a.Equals(b);
-}
-
-inline bool operator!=(const Region& a, const Region& b) {
-  return !(a == b);
-}
-
-inline Region SubtractRegions(const Region& a, const Region& b) {
-  Region result = a;
-  result.Subtract(b);
-  return result;
-}
-
-inline Region SubtractRegions(const Region& a, const gfx::Rect& b) {
-  Region result = a;
-  result.Subtract(b);
-  return result;
-}
-
-inline Region IntersectRegions(const Region& a, const Region& b) {
-  Region result = a;
-  result.Intersect(b);
-  return result;
-}
-
-inline Region IntersectRegions(const Region& a, const gfx::Rect& b) {
-  Region result = a;
-  result.Intersect(b);
-  return result;
-}
-
-inline Region UnionRegions(const Region& a, const Region& b) {
-  Region result = a;
-  result.Union(b);
-  return result;
-}
-
-inline Region UnionRegions(const Region& a, const gfx::Rect& b) {
-  Region result = a;
-  result.Union(b);
-  return result;
-}
-
-}  // namespace cc
-
-#endif  // CC_BASE_REGION_H_