Implement a Menu Item to Hide the Toolbar in Fullscreen

chrome/browser/ui/cocoa/browser_window_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
 // code. Each window has a single toolbar and, by virtue of being a
@@ skipping 140 matching lines @@
   // When the window is in the process of entering AppKit Fullscreen, this
   // property indicates whether the window is being fullscreened on the
   // primary screen.
   BOOL enteringAppKitFullscreenOnPrimaryScreen_;
 
   // This flag is set to true when |customWindowsToEnterFullScreenForWindow:|
   // and |customWindowsToExitFullScreenForWindow:| are called and did not
   // return nil.
   BOOL isUsingCustomAnimation_;
 
+  // True if the toolbar needs to be hidden in fullscreen.
+  BOOL shouldHideFullscreenToolbar_;
+
   // The size of the original (non-fullscreen) window.  This is saved just
   // before entering fullscreen mode and is only valid when |-isFullscreen|
   // returns YES.
   NSRect savedRegularWindowFrame_;
 
   // The proportion of the floating bar which is shown (in presentation mode).
   CGFloat floatingBarShownFraction_;
 
   // Various UI elements/events may want to ensure that the floating bar is
   // visible (in presentation mode), e.g., because of where the mouse is or
@@ skipping 346 matching lines @@
 
 // Adds or removes the tab strip and toolbar from the current window. The
 // window must be in immersive or AppKit Fullscreen.
 - (void)updateFullscreenWithToolbar:(BOOL)withToolbar;
 
 // Updates the contents of the fullscreen exit bubble with |url| and
 // |bubbleType|.
 - (void)updateFullscreenExitBubbleURL:(const GURL&)url
                            bubbleType:(ExclusiveAccessBubbleType)bubbleType;
 
+// Toggles and updates the toolbar's visibility in fullscreen mode. This
+// function toggles between the sliding styles: OMNIBOX_TABS_PRESENT and
+// OMNIBOX_TABS_HIDDEN.
+- (void)toggleFullscreenToolbar;
+
 // Returns YES if the browser window is in or entering any fullscreen mode.
 - (BOOL)isInAnyFullscreenMode;
 
 // Returns YES if the browser window is currently in or entering fullscreen via
 // the built-in immersive mechanism.
 - (BOOL)isInImmersiveFullscreen;
 
 // Returns YES if the browser window is currently in or entering fullscreen via
 // the AppKit Fullscreen API.
 - (BOOL)isInAppKitFullscreen;
 
 // Enter fullscreen for an extension.
 - (void)enterExtensionFullscreenForURL:(const GURL&)url
                             bubbleType:(ExclusiveAccessBubbleType)bubbleType;
 
 // Enters Immersive Fullscreen for the given URL.
 - (void)enterWebContentFullscreenForURL:(const GURL&)url
                              bubbleType:(ExclusiveAccessBubbleType)bubbleType;
 
 // Exits the current fullscreen mode.
 - (void)exitAnyFullscreen;
 
 // Whether the system is in the very specific fullscreen mode: Presentation
 // Mode.
 - (BOOL)inPresentationMode;
 
+// Whether if the toolbar should be hidden in fullscreen.
+- (BOOL)shouldHideFullscreenToolbar;
+
 // Resizes the fullscreen window to fit the screen it's currently on.  Called by
 // the PresentationModeController when there is a change in monitor placement or
 // resolution.
 - (void)resizeFullscreenWindow;
 
 // Query/lock/release the requirement that the tab strip/toolbar/attached
 // bookmark bar bar cluster is visible (e.g., when one of its elements has
 // focus). This is required for the floating bar in presentation mode, but
 // should also be called when not in presentation mode; see the comments for
 // |barVisibilityLocks_| for more details. Double locks/releases by the same
@@ skipping 53 matching lines @@
 - (ExclusiveAccessBubbleWindowController*)exclusiveAccessBubbleWindowController;
 
 // Gets the rect, in window base coordinates, that the omnibox popup should be
 // positioned relative to.
 - (NSRect)omniboxPopupAnchorRect;
 
 @end  // @interface BrowserWindowController (TestingAPI)
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_