Fix Hiding Issue with Certificate Viewer Mac

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 731 matching lines @@
         CGFloat heightDelta =
             expectedFrame.size.height - currentFrame.size.height;
         if (fabs(heightDelta - kExpectedHeightDifference) > 0.01)
           return;
 
         [[self window] setFrame:expectedFrame display:YES];
     });
     base::MessageLoop::current()->PostTask(FROM_HERE, callback);
   }
 
-  [self setSheetHiddenForFullscreenTransition:NO];

[spqchan, 2016/06/03 01:30:09]

Removing this because it's redundant. (This was getting called a second time
inside resetCustomAppKitFullscreenVariables: at line 760)

-
   if (notification)  // For System Fullscreen when non-nil.
     [self deregisterForContentViewResizeNotifications];
 
   enteringImmersiveFullscreen_ = NO;
   enteringPresentationMode_ = NO;
 
   [self resetCustomAppKitFullscreenVariables];
   [[tabStripController_ activeTabContentsController]
       updateFullscreenWidgetFrame];
 
@@ skipping 504 matching lines @@
 }
 
 - (BOOL)isFullscreenForTabContentOrExtension {
   FullscreenController* controller =
       browser_->exclusive_access_manager()->fullscreen_controller();
   return controller->IsWindowFullscreenForTabOrPending() ||
          controller->IsExtensionFullscreenOrPending();
 }
 
 @end  // @implementation BrowserWindowController(Private)