Implement a Menu Item to Hide the Toolbar in Fullscreen

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 207 matching lines @@
 
   // It doesn't make sense to provide a Y higher than the height of the window.
   CGFloat windowHeight = NSHeight([window frame]);
   defaultSheetY = std::min(defaultSheetY, windowHeight);
 
   defaultSheetLocation.origin.y = defaultSheetY;
   return defaultSheetLocation;
 }
 
 - (void)layoutSubviews {
+  // TODO(spqchan): Change blockLayoutSubviews so that it only blocks the web
+  // content from resizing.
   if (blockLayoutSubviews_)
     return;
 
   // Suppress title drawing if necessary.
   if ([self.window respondsToSelector:@selector(setShouldHideTitle:)])
     [(id)self.window setShouldHideTitle:![self hasTitleBar]];
 
   [bookmarkBarController_ updateHiddenState];
   [self updateSubviewZOrder];
 
@@ skipping 519 matching lines @@
   }
 
   if (notification)  // For System Fullscreen when non-nil.
     [self deregisterForContentViewResizeNotifications];
   enteringAppKitFullscreen_ = NO;
   enteringImmersiveFullscreen_ = NO;
   enteringPresentationMode_ = NO;
   isUsingCustomAnimation_ = NO;
 
   [self showFullscreenExitBubbleIfNecessary];
+  [self layoutSubviews];
   browser_->WindowFullscreenStateChanged();
 }
 
 - (void)windowWillExitFullScreen:(NSNotification*)notification {
   if (notification)  // For System Fullscreen when non-nil.
     [self registerForContentViewResizeNotifications];
   exitingAppKitFullscreen_ = YES;
 
   // Like windowWillEnterFullScreen, if we use custom animations,
   // adjustUIForExitingFullscreen should be called after the layout resizes in
@@ skipping 42 matching lines @@
   [self destroyFullscreenExitBubbleIfNecessary];
   [self adjustUIForExitingFullscreenAndStopOmniboxSliding];
 }
 
 - (void)adjustUIForEnteringFullscreen {
   fullscreen_mac::SlidingStyle style;
   if (browser_->exclusive_access_manager()
           ->fullscreen_controller()
           ->IsWindowFullscreenForTabOrPending()) {
     style = fullscreen_mac::OMNIBOX_TABS_NONE;
-  } else if (enteringPresentationMode_) {
+  } else if (enteringPresentationMode_ || [self shouldHideFullscreenToolbar]) {
     style = fullscreen_mac::OMNIBOX_TABS_HIDDEN;
   } else {
     style = fullscreen_mac::OMNIBOX_TABS_PRESENT;
   }
 
   [self adjustUIForSlidingFullscreenStyle:style];
 }
 
 - (void)enableBarVisibilityUpdates {
   // Early escape if there's nothing to do.
@@ skipping 376 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)