Moves methods for finding browsers to browser_finder.

chrome/browser/app_controller_mac_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 "base/command_line.h"
 #include "base/memory/scoped_nsobject.h"
 #include "chrome/app/chrome_command_ids.h"
 #import "chrome/browser/app_controller_mac.h"
+#import "chrome/browser/ui/browser.h"
 #import "chrome/browser/ui/browser_list.h"
 #import "chrome/common/chrome_switches.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 
 namespace {
 
 class AppControllerPlatformAppBrowserTest : public InProcessBrowserTest {
  protected:
@@ skipping 44 matching lines @@
 
   EXPECT_FALSE(result);
   EXPECT_EQ(2u, BrowserList::size());
 
   Browser* browser = *(BrowserList::begin());
   GURL current_url = browser->GetSelectedWebContents()->GetURL();
   EXPECT_EQ(GetAppURL(), current_url.spec());
 }
 
 }  // namespace