Get surrounding text from webkit. This CL is for sharing code only.

content/renderer/render_widget.h

 // Copyright (c) 2011 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_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 381 matching lines @@
   // being rendered by another process.  If all RenderWidgets in a process are
   // swapped out, the process can exit.
   bool is_swapped_out_;
 
   // Indicates if an input method is active in the browser process.
   bool input_method_is_active_;
 
   // Stores the current text input type of |webwidget_|.
   ui::TextInputType text_input_type_;
 
+  // Stores the current surrounding text of |webwidget_|.
+  string16 surrounding_;
+  
+  // Stores the current cursor in surrounding text of |webwidget_|.
+  size_t cursor_;
+  
+  // Stores the current anchor in surrounding text of |webwidget_|.
+  size_t anchor_;
+  
+
   // Stores the current type of composition text rendering of |webwidget_|.
   bool can_compose_inline_;
 
   // Stores the current caret bounds of input focus.
   WebKit::WebRect caret_bounds_;
 
   // The kind of popup this widget represents, NONE if not a popup.
   WebKit::WebPopupType popup_type_;
 
   // Holds all the needed plugin window moves for a scroll.
@@ skipping 22 matching lines @@
   bool animation_task_posted_;
   bool invalidation_task_posted_;
 
   bool has_disable_gpu_vsync_switch_;
   base::TimeTicks last_do_deferred_update_time_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_