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

chrome/browser/autocomplete/contact_provider_chromeos_unittest.cc

Index: chrome/browser/autocomplete/contact_provider_chromeos_unittest.cc
diff --git a/chrome/browser/autocomplete/contact_provider_chromeos_unittest.cc b/chrome/browser/autocomplete/contact_provider_chromeos_unittest.cc
index 703d4567bdc11f8329fb748a1adc1ce8f26e4bbb..d6a920617b5de1727b9d0bab7c7a8156c725a889 100644
--- a/chrome/browser/autocomplete/contact_provider_chromeos_unittest.cc
+++ b/chrome/browser/autocomplete/contact_provider_chromeos_unittest.cc
@@ -54,8 +54,7 @@ class ContactProviderTest : public testing::Test {
   // testing::Test implementation.
   virtual void SetUp() OVERRIDE {
     profile_manager_.reset(
-        new TestingProfileManager(
-            static_cast<TestingBrowserProcess*>(g_browser_process)));
+        new TestingProfileManager(TestingBrowserProcess::GetGlobal()));
     ASSERT_TRUE(profile_manager_->SetUp());
     profile_ = profile_manager_->CreateTestingProfile("test_profile");
     contact_manager_.reset(new contacts::ContactManagerStub(profile_));