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

chrome/browser/ui/fullscreen/fullscreen_controller.cc

 // 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.
 
 #include "chrome/browser/ui/fullscreen/fullscreen_controller.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/download/download_shelf.h"
+#include "chrome/browser/fullscreen.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"

[scheib, 2013/07/10 19:47:58]

You can remove this include now.

 #endif
 
 using content::RenderViewHost;
 using content::UserMetricsAction;
 using content::WebContents;
 
 FullscreenController::FullscreenController(Browser* browser)
     : ptr_factory_(this),
       browser_(browser),
       window_(browser->window()),
@@ skipping 524 matching lines @@
       url = extension_caused_fullscreen_;
   }
 
   if (option == BROWSER)
     content::RecordAction(UserMetricsAction("ToggleFullscreen"));
   // TODO(scheib): Record metrics for WITH_CHROME, without counting transitions
   // from tab fullscreen out to browser with chrome.
 
 #if defined(OS_MACOSX)
   if (option == BROWSER_WITH_CHROME) {
-    CHECK(base::mac::IsOSLionOrLater());
+    CHECK(chrome::mac::SupportsSystemFullscreen());
     window_->EnterFullscreenWithChrome();
   } else {
 #else
   {
 #endif
     window_->EnterFullscreen(url, GetFullscreenExitBubbleType());
   }
 
   UpdateFullscreenExitBubbleContent();
 
@@ skipping 61 matching lines @@
 
 ContentSetting
 FullscreenController::GetMouseLockSetting(const GURL& url) const {
   if (url.SchemeIsFile())
     return CONTENT_SETTING_ALLOW;
 
   HostContentSettingsMap* settings_map = profile_->GetHostContentSettingsMap();
   return settings_map->GetContentSetting(url, url,
       CONTENT_SETTINGS_TYPE_MOUSELOCK, std::string());
 }