Remove content dependencies from content settings providers.

chrome/browser/content_settings/host_content_settings_map_unittest.cc

Index: chrome/browser/content_settings/host_content_settings_map_unittest.cc
diff --git a/chrome/browser/content_settings/host_content_settings_map_unittest.cc b/chrome/browser/content_settings/host_content_settings_map_unittest.cc
index e0e65d396dc2c5d56b97180cdeb9b79f7a8d44d4..373c8a0d0be2a43b91e9f2f4eb12db0c4695d553 100644
--- a/chrome/browser/content_settings/host_content_settings_map_unittest.cc
+++ b/chrome/browser/content_settings/host_content_settings_map_unittest.cc
@@ -19,23 +19,19 @@
 #include "chrome/test/base/testing_pref_service_syncable.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/content_settings/core/browser/content_settings_details.h"
-#include "content/public/test/test_browser_thread.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "net/base/static_cookie_policy.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
-using content::BrowserThread;
-
 using ::testing::_;
 
 class HostContentSettingsMapTest : public testing::Test {
  public:
-  HostContentSettingsMapTest() : ui_thread_(BrowserThread::UI, &message_loop_) {
-  }
+  HostContentSettingsMapTest() {}
 
  protected:
-  base::MessageLoop message_loop_;
-  content::TestBrowserThread ui_thread_;
+  content::TestBrowserThreadBundle thread_bundle_;
 };
 
 TEST_F(HostContentSettingsMapTest, DefaultValues) {