[Mac] Fix regression where commands were disabled in full screen.

chrome/browser/ui/cocoa/browser_window_controller.mm

 // Copyright 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.h"
 
 #include <cmath>
 #include <numeric>
 
 #include "base/command_line.h"
@@ skipping 166 matching lines @@
 // set a flag, and constrain any resize by the allowed amounts. On further
 // shrinks, we check the flag (since the size/position of the window will no
 // longer indicate that the window is shrinking from an apparent zoomed state)
 // and if it's set we continue to constrain the resize.
 
 using content::OpenURLParams;
 using content::Referrer;
 using content::RenderWidgetHostView;
 using content::WebContents;
 
+namespace {
+
+void SetUpBrowserWindowCommandHandler(NSWindow* window) {
+  // Make the window handle browser window commands.
+  [base::mac::ObjCCastStrict<ChromeEventProcessingWindow>(window)
+      setCommandHandler:[[[BrowserWindowCommandHandler alloc] init]
+                            autorelease]];
+}
+
+}  // namespace
+
 @interface NSWindow (NSPrivateApis)
 // Note: These functions are private, use -[NSObject respondsToSelector:]
 // before calling them.
 
 - (void)setBottomCornerRounded:(BOOL)rounded;
 
 - (NSRect)_growBoxRect;
 
 @end
 
@@ skipping 23 matching lines @@
 
 // Private(TestingAPI) init routine with testing options.
 - (id)initWithBrowser:(Browser*)browser takeOwnership:(BOOL)ownIt {
   bool hasTabStrip = browser->SupportsWindowFeature(Browser::FEATURE_TABSTRIP);
   if ((self = [super initTabWindowControllerWithTabStrip:hasTabStrip])) {
     DCHECK(browser);
     initializing_ = YES;
     browser_.reset(browser);
     ownsBrowser_ = ownIt;
     NSWindow* window = [self window];
-    // Make the window handle browser window commands.
-    [base::mac::ObjCCastStrict<ChromeEventProcessingWindow>(window)
-        setCommandHandler:[[[BrowserWindowCommandHandler alloc] init]
-                              autorelease]];
+    SetUpBrowserWindowCommandHandler(window);
 
     // Make the content view for the window have a layer. This will make all
     // sub-views have layers. This is necessary to ensure correct layer
     // ordering of all child views and their layers.
     [[window contentView] setWantsLayer:YES];
     windowShim_.reset(new BrowserWindowCocoa(browser, self));
 
     // Set different minimum sizes on tabbed windows vs non-tabbed, e.g. popups.
     // This has to happen before -enforceMinWindowSize: is called further down.
     NSSize minSize = [self isTabbedWindow] ?
@@ skipping 1197 matching lines @@
   // Shouldn't call addFindBar twice.
   DCHECK(!findBarCocoaController_.get());
 
   // Create a controller for the findbar.
   findBarCocoaController_.reset([findBarCocoaController retain]);
   [self layoutSubviews];
   [self updateSubviewZOrder];
 }
 
 - (NSWindow*)createFullscreenWindow {
-  return [[[FullscreenWindow alloc] initForScreen:[[self window] screen]]
-           autorelease];
+  NSWindow* window = [[[FullscreenWindow alloc]
+      initForScreen:[[self window] screen]] autorelease];
+  SetUpBrowserWindowCommandHandler(window);
+  return window;
 }
 
 - (NSInteger)numberOfTabs {
   // count() includes pinned tabs.
   return browser_->tab_strip_model()->count();
 }
 
 - (BOOL)hasLiveTabs {
   return !browser_->tab_strip_model()->empty();
 }
@@ skipping 638 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isTabbedWindow {
   return browser_->is_type_tabbed();
 }
 
 @end  // @implementation BrowserWindowController(WindowType)