Panels refactor: Support browserless panels on Linux.

chrome/browser/ui/panels/panel_browsertest.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 "base/bind.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/net/url_request_mock_util.h"
 #include "chrome/browser/prefs/browser_prefs.h"
@@ skipping 24 matching lines @@
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/test/net/url_request_mock_http_job.h"
 #include "net/base/net_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/screen.h"
 
-// Refactor has only been done for Win and Mac panels so far.
-#if defined(OS_WIN) || defined(OS_MACOSX)
-
 using content::BrowserContext;
 using content::BrowserThread;
 using content::DownloadItem;
 using content::DownloadManager;
 using content::WebContents;
 using extensions::Extension;
 
 class PanelBrowserTest : public BasePanelBrowserTest {
  public:
   PanelBrowserTest() : BasePanelBrowserTest() {
@@ skipping 1512 matching lines @@
   EXPECT_GE(smaller_work_area_size.width(), panel->max_size().width());
   EXPECT_EQ(smaller_work_area_size.height(), panel->max_size().height());
   EXPECT_GT(old_full_size.width(), panel->full_size().width());
   EXPECT_GT(old_full_size.height(), panel->full_size().height());
   EXPECT_GE(panel->max_size().width(), panel->full_size().width());
   EXPECT_GE(panel->max_size().height(), panel->full_size().height());
   EXPECT_EQ(smaller_work_area_size.height(), panel->full_size().height());
 
   panel->Close();
 }
-
-#endif // OS_WIN || OS_MACOSX