Revert of Generate StyleBackgroundData in ComputedStyleBase.

third_party/WebKit/Source/core/style/StyleBackgroundData.h

Index: third_party/WebKit/Source/core/style/StyleBackgroundData.h
diff --git a/third_party/WebKit/Source/core/style/StyleBackgroundData.h b/third_party/WebKit/Source/core/style/StyleBackgroundData.h
new file mode 100644
index 0000000000000000000000000000000000000000..953b41e9513f286261d22ab2b0d2a18e8c75216f
--- /dev/null
+++ b/third_party/WebKit/Source/core/style/StyleBackgroundData.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
+ *           (C) 2000 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2000 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef StyleBackgroundData_h
+#define StyleBackgroundData_h
+
+#include "core/css/StyleColor.h"
+#include "core/style/FillLayer.h"
+#include "platform/graphics/Color.h"
+#include "platform/wtf/PassRefPtr.h"
+#include "platform/wtf/RefCounted.h"
+
+namespace blink {
+
+// TODO(sashab): Move this into a private class on ComputedStyle, and remove
+// all methods on it, merging them into copy/creation methods on ComputedStyle
+// instead. Keep the allocation logic, only allocating a new object if needed.
+class CORE_EXPORT StyleBackgroundData : public RefCounted<StyleBackgroundData> {
+ public:
+  static PassRefPtr<StyleBackgroundData> Create() {
+    return AdoptRef(new StyleBackgroundData);
+  }
+  PassRefPtr<StyleBackgroundData> Copy() const {
+    return AdoptRef(new StyleBackgroundData(*this));
+  }
+  ~StyleBackgroundData() {}
+
+  bool operator==(const StyleBackgroundData&) const;
+  bool operator!=(const StyleBackgroundData& o) const { return !(*this == o); }
+
+  const FillLayer& Background() const { return background_; }
+  const StyleColor& GetColor() const { return color_; }
+
+ private:
+  friend class ComputedStyle;
+
+  StyleBackgroundData();
+  StyleBackgroundData(const StyleBackgroundData&);
+
+  FillLayer background_;
+  StyleColor color_;
+};
+
+}  // namespace blink
+
+#endif  // StyleBackgroundData_h