[Mac] Adds a flag to force 10.6-style fullscreen for testing.

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"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"  // IDC_*
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/devtools/devtools_window.h"
+#include "chrome/browser/fullscreen.h"
 #include "chrome/browser/profiles/avatar_menu_model.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/signin/signin_ui_util.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/bookmarks/bookmark_editor.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_command_controller.h"
@@ skipping 1082 matching lines @@
             enable &= !![[static_cast<NSMenuItem*>(item) keyEquivalent] length];
           break;
         case IDC_FULLSCREEN: {
           if ([static_cast<NSObject*>(item) isKindOfClass:[NSMenuItem class]]) {
             NSString* menuTitle = l10n_util::GetNSString(
                 [self isFullscreen] && ![self inPresentationMode] ?
                     IDS_EXIT_FULLSCREEN_MAC :
                     IDS_ENTER_FULLSCREEN_MAC);
             [static_cast<NSMenuItem*>(item) setTitle:menuTitle];
 
-            if (base::mac::IsOSSnowLeopard())
+            if (!chrome::mac::SupportsSystemFullscreen())
               [static_cast<NSMenuItem*>(item) setHidden:YES];
           }
           break;
         }
         case IDC_PRESENTATION_MODE: {
           if ([static_cast<NSObject*>(item) isKindOfClass:[NSMenuItem class]]) {
             NSString* menuTitle = l10n_util::GetNSString(
                 [self inPresentationMode] ? IDS_EXIT_PRESENTATION_MAC :
                                             IDS_ENTER_PRESENTATION_MAC);
             [static_cast<NSMenuItem*>(item) setTitle:menuTitle];
@@ skipping 889 matching lines @@
 // "Enter Full Screen" menu item.  On Snow Leopard, this function is never
 // called by the UI directly, but it provides the implementation for
 // |-setPresentationMode:|.
 - (void)setFullscreen:(BOOL)fullscreen {
   if (fullscreen == [self isFullscreen])
     return;
 
   if (!chrome::IsCommandEnabled(browser_.get(), IDC_FULLSCREEN))
     return;
 
-  if (base::mac::IsOSLionOrLater()) {
+  if (chrome::mac::SupportsSystemFullscreen()) {
     enteredPresentationModeFromFullscreen_ = YES;
     if ([[self window] isKindOfClass:[FramedBrowserWindow class]])
       [static_cast<FramedBrowserWindow*>([self window]) toggleSystemFullScreen];
   } else {
     if (fullscreen)
       [self enterFullscreenForSnowLeopard];
     else
       [self exitFullscreenForSnowLeopard];
   }
 }
@@ skipping 24 matching lines @@
 // function also triggers the Lion machinery to enter fullscreen mode as well as
 // set presentation mode.  On Snow Leopard, this function is called by the
 // "Enter Presentation Mode" menu item, and triggering presentation mode always
 // moves the user into fullscreen mode.
 - (void)setPresentationMode:(BOOL)presentationMode
                         url:(const GURL&)url
                  bubbleType:(FullscreenExitBubbleType)bubbleType {
   fullscreenUrl_ = url;
   fullscreenBubbleType_ = bubbleType;
 
-  // Presentation mode on Snow Leopard maps directly to fullscreen mode.
-  if (base::mac::IsOSSnowLeopard()) {
+  // Presentation mode on systems without fullscreen support maps directly to
+  // fullscreen mode.
+  if (!chrome::mac::SupportsSystemFullscreen()) {
     [self setFullscreen:presentationMode];
     return;
   }
 
   if (presentationMode) {
     BOOL fullscreen = [self isFullscreen];
     enteredPresentationModeFromFullscreen_ = fullscreen;
     enteringPresentationMode_ = YES;
 
     if (fullscreen) {
@@ skipping 173 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isTabbedWindow {
   return browser_->is_type_tabbed();
 }
 
 @end  // @implementation BrowserWindowController(WindowType)