Fix for Fullscreen toolbar with multiple monitors on OSX

chrome/browser/ui/cocoa/presentation_mode_controller.mm

Index: chrome/browser/ui/cocoa/presentation_mode_controller.mm
diff --git a/chrome/browser/ui/cocoa/presentation_mode_controller.mm b/chrome/browser/ui/cocoa/presentation_mode_controller.mm
index b81b5210bc167a7e16ddc4c4fc189e12d0781cbb..709fee8e0aa9ef61530495f1393905d89bc6ea5d 100644
--- a/chrome/browser/ui/cocoa/presentation_mode_controller.mm
+++ b/chrome/browser/ui/cocoa/presentation_mode_controller.mm
@@ -52,7 +52,7 @@ OSStatus MenuBarRevealHandler(EventHandlerCallRef handler,
   // As such, we should ignore the kMenuBarRevealEventKind event if it gives
   // us a fraction of 0.0 or 1.0, and rely on kEventMenuBarShown and
   // kEventMenuBarHidden to set these values.
-  if ([self isOnActiveSpace]) {
+  if ([self isMainWindow]) {
     if (GetEventKind(event) == kMenuBarRevealEventKind) {
       CGFloat revealFraction = 0;
       GetEventParameter(event, FOUR_CHAR_CODE('rvlf'), typeCGFloat, NULL,
@@ -431,8 +431,8 @@ OSStatus MenuBarRevealHandler(EventHandlerCallRef handler,
              : 0;
 }
 
-- (BOOL)isOnActiveSpace {
-  return [browserController_ window].onActiveSpace;
+- (BOOL)isMainWindow {
+  return [browserController_ window].isMainWindow;
 }
 
 // Used to activate the floating bar in presentation mode.
@@ -521,8 +521,7 @@ OSStatus MenuBarRevealHandler(EventHandlerCallRef handler,
 @implementation PresentationModeController (PrivateMethods)
 
 - (void)updateMenuBarAndDockVisibility {
-  if (![[browserController_ window] isMainWindow] ||
-      ![browserController_ isInImmersiveFullscreen]) {
+  if (![self isMainWindow] || ![browserController_ isInImmersiveFullscreen]) {
     [self setSystemFullscreenModeTo:base::mac::kFullScreenModeNormal];
     return;
   }