Add a new code/message path for moving an insertion handle

content/browser/renderer_host/render_widget_host_impl.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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 350 matching lines @@
                           const std::string& value);
 
   // Tells the renderer to scroll the currently focused node into rect only if
   // the currently focused node is a Text node (textfield, text area or content
   // editable divs).
   void ScrollFocusedEditableNodeIntoRect(const gfx::Rect& rect);
 
   // Requests the renderer to select the region between two points.
   void SelectRange(const gfx::Point& start, const gfx::Point& end);
 
+  // Requests the renderer to move the caret selection towards the point.
+  void MoveCaret(const gfx::Point& point);
+
   // Called when the reponse to a pending mouse lock request has arrived.
   // Returns true if |allowed| is true and the mouse has been successfully
   // locked.
   bool GotResponseToLockMouseRequest(bool allowed);
 
   // Tells the RenderWidget about the latest vsync parameters.
   // Note: Make sure the timebase was obtained using
   // base::TimeTicks::HighResNow. Using the non-high res timer will result in
   // incorrect synchronization across processes.
   virtual void UpdateVSyncParameters(base::TimeTicks timebase,
@@ skipping 173 matching lines @@
                                          int32 gpu_process_host_id);
   void OnSwapCompositorFrame(const cc::CompositorFrame& frame);
   void OnUpdateRect(const ViewHostMsg_UpdateRect_Params& params);
   void OnUpdateIsDelayed();
   void OnInputEventAck(WebKit::WebInputEvent::Type event_type,
                        InputEventAckState ack_result);
   void OnBeginSmoothScroll(
       int gesture_id,
       const ViewHostMsg_BeginSmoothScroll_Params &params);
   void OnSelectRangeAck();
+  void OnMsgMoveCaretAck();
   virtual void OnFocus();
   virtual void OnBlur();
   void OnHasTouchEventHandlers(bool has_handlers);
   void OnSetCursor(const WebCursor& cursor);
   void OnTextInputStateChanged(
       const ViewHostMsg_TextInputState_Params& params);
   void OnImeCompositionRangeChanged(
       const ui::Range& range,
       const std::vector<gfx::Rect>& character_bounds);
   void OnImeCancelComposition();
@@ skipping 181 matching lines @@
 
   // (Similar to |mouse_move_pending_|.) True while waiting for SelectRange_ACK.
   bool select_range_pending_;
 
   // (Similar to |next_mouse_move_|.) The next SelectRange to send, if any.
   struct SelectionRange {
     gfx::Point start, end;
   };
   scoped_ptr<SelectionRange> next_selection_range_;
 
+  // (Similar to |mouse_move_pending_|.) True while waiting for MoveCaret_ACK.
+  bool move_caret_pending_;
+
+  // (Similar to |next_mouse_move_|.) The next MoveCaret to send, if any.
+  scoped_ptr<gfx::Point> next_move_caret_;
+
   // The time when an input event was sent to the RenderWidget.
   base::TimeTicks input_event_start_time_;
 
   // Keyboard event listeners.
   std::list<KeyboardListener*> keyboard_listeners_;
 
   // If true, then we should repaint when restoring even if we have a
   // backingstore.  This flag is set to true if we receive a paint message
   // while is_hidden_ to true.  Even though we tell the render widget to hide
   // itself, a paint message could already be in flight at that point.
@@ skipping 89 matching lines @@
 #if defined(OS_WIN)
   std::list<HWND> dummy_windows_for_activation_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_