Reland: Move TouchSelectionController from content to ui

ui/base/touch/touch_editing_controller.h

 // Copyright (c) 2013 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 UI_BASE_TOUCH_TOUCH_EDITING_CONTROLLER_H_
 #define UI_BASE_TOUCH_TOUCH_EDITING_CONTROLLER_H_
 
 #include "ui/base/models/simple_menu_model.h"
-#include "ui/gfx/point.h"
-#include "ui/gfx/rect.h"
+
+namespace gfx {
+class Point;
+class Rect;
+}
 
 namespace ui {
-
-// Bound of a selected region.
-struct UI_BASE_EXPORT SelectionBound {
- public:
-  enum Type {
-    LEFT,
-    RIGHT,
-    CENTER,
-    EMPTY,
-    LAST = EMPTY
-  };
-
-  SelectionBound();
-  ~SelectionBound();
-
-  int GetHeight() const;
-
-  Type type;
-
-  gfx::Point edge_top;
-  gfx::Point edge_bottom;
-};
-
-UI_BASE_EXPORT bool operator==(const SelectionBound& lhs,
-                               const SelectionBound& rhs);
-UI_BASE_EXPORT bool operator!=(const SelectionBound& lhs,
-                               const SelectionBound& rhs);
-
-UI_BASE_EXPORT gfx::Rect RectBetweenSelectionBounds(const SelectionBound& b1,
-                                                    const SelectionBound& b2);
+class SelectionBound;
 
 // An interface implemented by widget that has text that can be selected/edited
 // using touch.
 class UI_BASE_EXPORT TouchEditable : public ui::SimpleMenuModel::Delegate {
  public:
   // TODO(mohsen): Consider switching from local coordinates to screen
   // coordinates in this interface and see if it will simplify things.
 
   // Select everything between start and end (points are in view's local
   // coordinate system). |start| is the logical start and |end| is the logical
@@ skipping 68 matching lines @@
 
   virtual TouchSelectionController* create(TouchEditable* client_view) = 0;
 
  protected:
   virtual ~TouchSelectionControllerFactory() {}
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_TOUCH_TOUCH_EDITING_CONTROLLER_H_