Plumb selection bounds as a single unit

Source/core/layout/compositing/CompositedSelectionBounds.h

Index: Source/core/layout/compositing/CompositedSelectionBounds.h
diff --git a/Source/modules/crypto/AesKeyAlgorithm.h b/Source/core/layout/compositing/CompositedSelectionBounds.h
similarity index 75%
copy from Source/modules/crypto/AesKeyAlgorithm.h
copy to Source/core/layout/compositing/CompositedSelectionBounds.h
index c1c8bd16010c6c4050b2bebe5238198c22e2d79f..578a0a5796a66af24f333ee6d35fde75642ef779 100644
--- a/Source/modules/crypto/AesKeyAlgorithm.h
+++ b/Source/core/layout/compositing/CompositedSelectionBounds.h
@@ -28,30 +28,31 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef AesKeyAlgorithm_h
-#define AesKeyAlgorithm_h
+#ifndef CompositedSelectionBounds_h
+#define CompositedSelectionBounds_h
 
-#include "bindings/core/v8/ScriptWrappable.h"
-#include "modules/crypto/KeyAlgorithm.h"
-#include "platform/heap/Handle.h"
-#include "wtf/Forward.h"
+#include "core/layout/compositing/CompositedSelectionBound.h"
+#include "platform/geometry/FloatPoint.h"
+#include "platform/graphics/GraphicsLayer.h"
 
 namespace blink {
 
-class AesKeyAlgorithm : public KeyAlgorithm {
-public:
-    static AesKeyAlgorithm* create(const WebCryptoKeyAlgorithm&);
+struct CompositedSelectionBound {
 
-    unsigned short length();
+    CompositedSelectionBounds()
+        : length(0)
+        , isEditable(false)
+        , isUserTriggered(false)
+    {
+    }
 
-    DECLARE_VIRTUAL_TRACE();
-
-private:
-    explicit AesKeyAlgorithm(const WebCryptoKeyAlgorithm&);
+    CompositedSelectionBound start;
+    CompositedSelectionBound end;
+    size_t length;
+    bool isEditable;
+    bool isUserTriggered;
 };
 
-DEFINE_KEY_ALGORITHM_TYPE_CASTS(AesKeyAlgorithm);
-
 } // namespace blink
 
 #endif