Revert "Delete CC."

cc/quads/shared_quad_state.h

+// 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.
+
+#ifndef CC_QUADS_SHARED_QUAD_STATE_H_
+#define CC_QUADS_SHARED_QUAD_STATE_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "third_party/skia/include/core/SkXfermode.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/transform.h"
+
+namespace base {
+namespace trace_event {
+class TracedValue;
+}
+class Value;
+}
+
+namespace cc {
+
+// SharedQuadState holds a set of properties that are common across multiple
+// DrawQuads. It's purely an optimization - the properties behave in exactly the
+// same way as if they were replicated on each DrawQuad. A given SharedQuadState
+// can only be shared by DrawQuads that are adjacent in their RenderPass'
+// QuadList.
+class SharedQuadState {
+ public:
+  SharedQuadState();
+  ~SharedQuadState();
+
+  void CopyFrom(const SharedQuadState* other);
+
+  void SetAll(const gfx::Transform& content_to_target_transform,
+              const gfx::Size& content_bounds,
+              const gfx::Rect& visible_content_rect,
+              const gfx::Rect& clip_rect,
+              bool is_clipped,
+              float opacity,
+              SkXfermode::Mode blend_mode,
+              int sorting_context_id);
+  void AsValueInto(base::trace_event::TracedValue* dict) const;
+
+  // Transforms from quad's original content space to its target content space.
+  gfx::Transform content_to_target_transform;
+  // This size lives in the content space for the quad's originating layer.
+  gfx::Size content_bounds;
+  // This rect lives in the content space for the quad's originating layer.
+  gfx::Rect visible_content_rect;
+  // This rect lives in the target content space.
+  gfx::Rect clip_rect;
+  bool is_clipped;
+  float opacity;
+  SkXfermode::Mode blend_mode;
+  int sorting_context_id;
+};
+
+}  // namespace cc
+
+#endif  // CC_QUADS_SHARED_QUAD_STATE_H_