Revert 221651 "Switch to doing user-resizing via system for pane..."

trunk/src/chrome/browser/ui/panels/panel.h

Index: trunk/src/chrome/browser/ui/panels/panel.h
===================================================================
--- trunk/src/chrome/browser/ui/panels/panel.h	(revision 221673)
+++ trunk/src/chrome/browser/ui/panels/panel.h	(working copy)
@@ -252,6 +252,10 @@
   // being dragged, it is in preview mode.
   void SetPreviewMode(bool in_preview_mode);
 
+  // Sets up the panel for being resizable by the user - for example,
+  // enables the resize mouse cursors when mouse is hovering over the edges.
+  void EnableResizeByMouse(bool enable);
+
   // Sets whether the minimize or restore button, if any, are visible.
   void UpdateMinimizeRestoreButtonVisibility();