Don't allow new windows to be created outside the monitor's work area....

views/screen.h

Index: views/screen.h
===================================================================
--- views/screen.h	(revision 72590)
+++ views/screen.h	(working copy)
@@ -25,6 +25,9 @@
   // Returns the bounds of the monitor nearest the specified window.
   static gfx::Rect GetMonitorAreaNearestWindow(gfx::NativeView view);
 
+  // Returns the work area of the monitor nearest the specified point.
+  static gfx::Rect GetMonitorWorkAreaNearestPoint(const gfx::Point& point);
+
   // Returns the monitor area (not the work area, but the complete bounds) of
   // the monitor nearest the specified point.
   static gfx::Rect GetMonitorAreaNearestPoint(const gfx::Point& point);