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

trunk/src/chrome/browser/ui/cocoa/panels/panel_utils_cocoa.mm

Index: trunk/src/chrome/browser/ui/cocoa/panels/panel_utils_cocoa.mm
===================================================================
--- trunk/src/chrome/browser/ui/cocoa/panels/panel_utils_cocoa.mm	(revision 221673)
+++ trunk/src/chrome/browser/ui/cocoa/panels/panel_utils_cocoa.mm	(working copy)
@@ -15,15 +15,6 @@
       bounds.width(), bounds.height());
 }
 
-gfx::Rect ConvertRectFromCocoaCoordinates(NSRect bounds) {
-  // Flip coordinates based on the primary screen.
-  NSScreen* screen = [[NSScreen screens] objectAtIndex:0];
-
-  return gfx::Rect(
-      NSMinX(bounds), NSHeight([screen frame]) - NSMaxY(bounds),
-      NSWidth(bounds), NSHeight(bounds));
-}
-
 NSPoint ConvertPointToCocoaCoordinates(const gfx::Point& point) {
   // Flip coordinates based on the primary screen.
   NSScreen* screen = [[NSScreen screens] objectAtIndex:0];