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

chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.mm

Index: chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.mm b/chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.mm
index 460ac10111c8ef530b907262ba808e937e60ca40..dfa69529df873852859b423d59c4e2a0d3da0573 100644
--- a/chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/extensions/native_app_window_cocoa.mm
@@ -714,6 +714,11 @@ gfx::Insets NativeAppWindowCocoa::GetFrameInsets() const {
   return frame_rect.InsetsFrom(content_rect);
 }
 
+gfx::Rect NativeAppWindowCocoa::GetScreenBounds() const {
+  // TODO(zhchbin): Implement for the mac platform.
+  return gfx::Rect();
+}
+
 gfx::NativeView NativeAppWindowCocoa::GetHostView() const {
   NOTIMPLEMENTED();
   return NULL;