Revert of Refactor the selection code in EventHandler

Source/core/editing/SelectionController.h

Index: Source/core/editing/SelectionController.h
diff --git a/Source/core/editing/SelectionController.h b/Source/core/editing/SelectionController.h
deleted file mode 100644
index a8c1970b5332ad978ca20647f89ae1e5f2cd23d1..0000000000000000000000000000000000000000
--- a/Source/core/editing/SelectionController.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple 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:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. 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 SelectionController_h
-#define SelectionController_h
-
-#include "core/CoreExport.h"
-#include "core/editing/TextGranularity.h"
-#include "core/page/EventWithHitTestResults.h"
-#include "platform/heap/Handle.h"
-
-namespace blink {
-
-class FrameSelection;
-class HitTestResult;
-class LocalFrame;
-class VisibleSelection;
-
-class CORE_EXPORT SelectionController final : public NoBaseWillBeGarbageCollected<SelectionController> {
-    WTF_MAKE_NONCOPYABLE(SelectionController);
-public:
-    static PassOwnPtrWillBeRawPtr<SelectionController> create(LocalFrame*);
-    DECLARE_TRACE();
-
-    bool updateSelectionForMouseDownDispatchingSelectStart(Node*, const VisibleSelection&, TextGranularity);
-    void handleMousePressEvent(const MouseEventWithHitTestResults&);
-    bool handleMousePressEventSingleClick(const MouseEventWithHitTestResults&);
-    bool handleMousePressEventDoubleClick(const MouseEventWithHitTestResults&);
-    bool handleMousePressEventTripleClick(const MouseEventWithHitTestResults&);
-    void handleMouseDraggedEvent(const MouseEventWithHitTestResults&, const IntPoint&, const LayoutPoint&, Node*, const IntPoint&);
-    bool handleMouseReleaseEvent(const MouseEventWithHitTestResults&, const LayoutPoint&);
-    bool handlePasteGlobalSelection(const PlatformMouseEvent&);
-    bool handleGestureLongPress(const PlatformGestureEvent&, const HitTestResult&);
-
-    void updateSelectionForMouseDrag(Node*, const LayoutPoint&, const IntPoint&);
-    void updateSelectionForMouseDrag(const HitTestResult&, Node*, const LayoutPoint&, const IntPoint&);
-    void prepareForContextMenu(const MouseEventWithHitTestResults&, const LayoutPoint&);
-    void preparePassMousePressEventToSubframe(MouseEventWithHitTestResults&);
-
-    void initializeSelectionState();
-    void setMouseDownMayStartSelect(bool);
-    bool mouseDownMayStartSelect() const;
-    bool singleClickInSelection() const;
-
-private:
-    explicit SelectionController(LocalFrame*);
-
-    enum class AppendTrailingWhitespace { ShouldAppend, DontAppend };
-    void selectClosestWordFromHitTestResult(const HitTestResult&, AppendTrailingWhitespace);
-    void selectClosestMisspellingFromHitTestResult(const HitTestResult&, AppendTrailingWhitespace);
-    void selectClosestWordFromMouseEvent(const MouseEventWithHitTestResults&);
-    void selectClosestMisspellingFromMouseEvent(const MouseEventWithHitTestResults&);
-    void selectClosestWordOrLinkFromMouseEvent(const MouseEventWithHitTestResults&);
-
-    FrameSelection& selection() const;
-
-    RawPtrWillBeMember<LocalFrame> const m_frame;
-    bool m_mouseDownMayStartSelect;
-    bool m_singleClickInSelection;
-    enum class SelectionState { HaveNotStartedSelection, PlacedCaret, ExtendedSelection };
-    SelectionState m_selectionState;
-};
-
-}
-#endif // SelectionController_h