Hide the fullscreen toolbar only for FramedBrowserWindow

chrome/browser/ui/cocoa/browser_window_controller_private.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller_private.h"
 
 #include <cmath>
 
 #import "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 82 matching lines @@
 }
 
 // Emits a histogram entry indicating the Fullscreen style.
 void RecordFullscreenStyle(FullscreenStyle style) {
   UMA_HISTOGRAM_ENUMERATION(
       "OSX.Fullscreen.Enter.Style", style, FULLSCREEN_STYLE_COUNT);
 }
 
 }  // namespace
 
+@interface NSWindow (NSPrivateApis)
+// Note: These functions are private, use -[NSObject respondsToSelector:]
+// before calling them.
+
+- (NSWindow*)_windowForToolbar;
+
+@end
+
 @implementation BrowserWindowController(Private)
 
 // Create the tab strip controller.
 - (void)createTabStripController {
   DCHECK([overlayableContentsController_ activeContainer]);
   DCHECK([[overlayableContentsController_ activeContainer] window]);
   tabStripController_.reset([[TabStripController alloc]
       initWithView:[self tabStripView]
         switchView:[overlayableContentsController_ activeContainer]
            browser:browser_.get()
@@ skipping 592 matching lines @@
   fullscreenTransition_.reset();
 
   // In Yosemite, some combination of the titlebar and toolbar always show in
   // full-screen mode. We do not want either to show. Search for the window that
   // contains the views, and hide it. There is no need to ever unhide the view.
   // http://crbug.com/380235
   if (base::mac::IsOSYosemiteOrLater()) {
     for (NSWindow* window in [[NSApplication sharedApplication] windows]) {
       if ([window
               isKindOfClass:NSClassFromString(@"NSToolbarFullScreenWindow")]) {
-        [[window contentView] setHidden:YES];
+        // Hide the toolbar if it is for a FramedBrowserWindow.
+        if ([window respondsToSelector:@selector(_windowForToolbar)]) {
+          if ([[window _windowForToolbar]
+                  isKindOfClass:[FramedBrowserWindow class]])
+            [[window contentView] setHidden:YES];
+        }
       }
     }
   }
 
   if ([self shouldUseMavericksAppKitFullscreenHack]) {
     // Apply a hack to fix the size of the window. This is the last run of the
     // MessageLoop where the hack will not work, so dispatch the hack to the
     // top of the MessageLoop.
     base::Callback<void(void)> callback = base::BindBlock(^{
         if (![self isInAppKitFullscreen])
@@ skipping 466 matching lines @@
   return browser_->tab_strip_model()->GetActiveWebContents();
 }
 
 - (PermissionBubbleManager*)permissionBubbleManager {
   if (WebContents* contents = [self webContents])
     return PermissionBubbleManager::FromWebContents(contents);
   return nil;
 }
 
 @end  // @implementation BrowserWindowController(Private)