[WIN]Save work area of window and adjust bounds to ensure it fit on screen before show.

chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc

Index: chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
diff --git a/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc b/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
index b715652fcdd432ab2ba3143b1bec22d1d838b3bf..1efdbc549fa3d1b46c4db6b79f4679ac22264e44 100644
--- a/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
+++ b/chrome/browser/ui/gtk/extensions/native_app_window_gtk.cc
@@ -293,6 +293,11 @@ gfx::Insets NativeAppWindowGtk::GetFrameInsets() const {
       rect_with_decorations.width - current_width - left_inset);
 }
 
+gfx::Rect NativeAppWindowGtk::GetWindowWorkArea() const {
+  NOTIMPLEMENTED();
+  return gfx::Rect();
+}
+
 gfx::NativeView NativeAppWindowGtk::GetHostView() const {
   NOTIMPLEMENTED();
   return NULL;