Fix gesture handling for Views textfields

ui/views/controls/textfield/textfield.h

 // Copyright (c) 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 UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 71 matching lines @@
   base::i18n::TextDirection GetTextDirection() const;
 
   // Returns the text that is currently selected.
   base::string16 GetSelectedText() const;
 
   // Select the entire text range. If |reversed| is true, the range will end at
   // the logical beginning of the text; this generally shows the leading portion
   // of text that overflows its display area.
   void SelectAll(bool reversed);
 
+  // A convenience method to select the word closest to |point|.
+  void SelectWordAt(const gfx::Point& point);
+
   // Clears the selection within the edit field and sets the caret to the end.
   void ClearSelection();
 
   // Checks if there is any selected text.
   bool HasSelection() const;
 
   // Gets/sets the text color to be used when painting the Textfield.
   // Call UseDefaultTextColor() to restore the default system color.
   SkColor GetTextColor() const;
   void SetTextColor(SkColor color);
@@ skipping 341 matching lines @@
   gfx::Point last_drag_location_;
 
   // State variables used to track double and triple clicks.
   size_t aggregated_clicks_;
   base::TimeDelta last_click_time_;
   gfx::Point last_click_location_;
   gfx::Range double_click_word_;
 
   scoped_ptr<ui::TouchSelectionController> touch_selection_controller_;
 
+  // Used to track touch drag starting location and offset to enable touch
+  // scrolling.
+  gfx::Point drag_start_location_;
+  int drag_start_display_offset_;
+
+  // Tracks if touch editing handles are hidden because user has started
+  // scrolling. If |true|, handles are shown after scrolling ends.
+  bool touch_handles_hidden_due_to_scroll_;
+
   // Context menu related members.
   scoped_ptr<ui::SimpleMenuModel> context_menu_contents_;
   scoped_ptr<views::MenuRunner> context_menu_runner_;
 
   // Used to bind callback functions to this object.
   base::WeakPtrFactory<Textfield> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Textfield);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_