Plumb selection bounds as a single unit

Source/core/layout/compositing/CompositedSelectionBounds.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * 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