MacViews: Implement Force Touch/Mac dictionary lookup for 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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 191 matching lines @@
   void SetAccessibleName(const base::string16& name);
 
   // Returns whether there is a drag operation originating from the textfield.
   bool HasTextBeingDragged();
 
   // View overrides:
   gfx::Insets GetInsets() const override;
   int GetBaseline() const override;
   gfx::Size GetPreferredSize() const override;
   const char* GetClassName() const override;
+  gfx::RenderText* GetRenderText() const override;
   gfx::NativeCursor GetCursor(const ui::MouseEvent& event) override;
   bool OnMousePressed(const ui::MouseEvent& event) override;
   bool OnMouseDragged(const ui::MouseEvent& event) override;
   void OnMouseReleased(const ui::MouseEvent& event) override;
   void OnGestureEvent(ui::GestureEvent* event) override;
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
   bool CanHandleAccelerators() const override;
   void AboutToRequestFocusFromTabTraversal(bool reverse) override;
   bool SkipDefaultKeyEventProcessing(const ui::KeyEvent& event) override;
   bool GetDropFormats(
@@ skipping 79 matching lines @@
       base::i18n::TextDirection direction) override;
   void ExtendSelectionAndDelete(size_t before, size_t after) override;
   void EnsureCaretInRect(const gfx::Rect& rect) override;
   bool IsTextEditCommandEnabled(ui::TextEditCommand command) const override;
   void SetTextEditCommandForNextKeyEvent(ui::TextEditCommand command) override;
 
  protected:
   // Inserts or appends a character in response to an IME operation.
   virtual void DoInsertChar(base::char16 ch);
 
-  // Returns the TextfieldModel's text/cursor/selection rendering model.
-  gfx::RenderText* GetRenderText() const;
-
   gfx::Point last_click_location() const { return last_click_location_; }
 
   // Get the text from the selection clipboard.
   virtual base::string16 GetSelectionClipboardText() const;
 
   // Executes the given |command|.
   virtual void ExecuteTextEditCommand(ui::TextEditCommand command);
 
  private:
   friend class TextfieldTestApi;
@@ skipping 186 matching lines @@
 
   // 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_