Replace most BrowserList::empty() and BrowserList::size() calls by multi-desktop aware calls.

chrome/browser/ui/cocoa/panels/panel_cocoa_browsertest.mm

 // 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/ui/browser_commands.h"
-#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/panels/base_panel_browser_test.h"
 #include "chrome/browser/ui/panels/panel.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/test/test_utils.h"
 
 typedef BasePanelBrowserTest PanelCocoaBrowserTest;
 
 IN_PROC_BROWSER_TEST_F(PanelCocoaBrowserTest, MenuItems) {
   Panel* panel = CreatePanel("Panel");
 
   // Close main tabbed window.
   content::WindowedNotificationObserver signal(
       chrome::NOTIFICATION_BROWSER_CLOSED,
       content::Source<Browser>(browser()));
   chrome::CloseWindow(browser());
   signal.Wait();
 
   // There should be no browser windows.
-  EXPECT_EQ(0u, BrowserList::size());
+  EXPECT_EQ(0u, chrome::GetTotalBrowserCount());
 
   // There should be one panel.
   EXPECT_EQ(1, PanelManager::GetInstance()->num_panels());
 
   NSMenu* mainMenu = [NSApp mainMenu];
   EXPECT_TRUE(mainMenu);
 
   // Chrome(0) File(1) ....
   // Get File submenu. It doesn't have a command id, fetch it by index.
   NSMenu* fileSubmenu = [[[mainMenu itemArray] objectAtIndex:1] submenu];
@@ skipping 37 matching lines @@
     if ([i action] == @selector(performClose:)) {
       item = i;
       break;
     }
   }
   EXPECT_TRUE(item);
   EXPECT_TRUE([item isEnabled]);
 
   panel->Close();
 }