Fix -webkit-app-region: drag don't work any more once it maximized. Part of nwjs#1168.

zhchbin · zhchbin · commit 2dc09e140a0b · 2013-10-13T14:10:06.000+08:00
This feature is broken by commit da2b25c. TEST=1. Run the nw-sample-apps\frameless-window; 2. Show the titlebar by cliking "Top Titlebar" 3. Double click the maximize the windows. 4. Double click the tilte bar should be able to unmaximize the window.
diff --git a/src/browser/native_window_win.cc b/src/browser/native_window_win.cc
@@ -668,11 +668,11 @@ void NativeWindowWin::OnViewWasResized() {
                1);
 
   SkRegion* rgn = new SkRegion;
-  if (!window_->IsFullscreen() && !window_->IsMaximized()) {
+  if (!window_->IsFullscreen()) {
     if (draggable_region())
       rgn->op(*draggable_region(), SkRegion::kUnion_Op);
 
-    if (!has_frame() && CanResize()) {
+    if (!has_frame() && CanResize() && !window_->IsMaximized()) {
       rgn->op(0, 0, width, kResizeInsideBoundsSize, SkRegion::kUnion_Op);
       rgn->op(0, 0, kResizeInsideBoundsSize, height, SkRegion::kUnion_Op);
       rgn->op(width - kResizeInsideBoundsSize, 0, width, height,
