Update other unittests to use newly added TestingBrowserProcess::GetGlobal().

chrome/browser/profiles/avatar_menu_model_unittest.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/profiles/avatar_menu_model.h"
 
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/profiles/avatar_menu_model_observer.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
@@ skipping 15 matching lines @@
 
   int change_count() { return count_; }
 
  private:
   int count_;
 };
 
 class AvatarMenuModelTest : public testing::Test {
  public:
   AvatarMenuModelTest()
-      : manager_(static_cast<TestingBrowserProcess*>(g_browser_process)) {
+      : manager_(TestingBrowserProcess::GetGlobal()) {
   }
 
   virtual void SetUp() {
     ASSERT_TRUE(manager_.SetUp());
 #if defined(OS_CHROMEOS)
     // AvatarMenu and multiple profiles works after user logged in.
     manager_.SetLoggedIn(true);
 #endif
   }
 
@@ skipping 111 matching lines @@
   const AvatarMenuModel::Item& item2 = model.GetItemAt(1);
   EXPECT_EQ(1U, item2.model_index);
   EXPECT_EQ(name2, item2.name);
 
   const AvatarMenuModel::Item& item3 = model.GetItemAt(2);
   EXPECT_EQ(2U, item3.model_index);
   EXPECT_EQ(name3, item3.name);
 }
 
 }  // namespace