Remove the Extensions URLRequestContext

chrome/browser/thumbnails/thumbnail_service_unittest.cc

Index: chrome/browser/thumbnails/thumbnail_service_unittest.cc
diff --git a/chrome/browser/thumbnails/thumbnail_service_unittest.cc b/chrome/browser/thumbnails/thumbnail_service_unittest.cc
index 1b128e346334c2ba34e441510dbfac342e206b0b..b7ef5cd7f9aa55b9fe4c273a78e7b8c3d3300bd2 100644
--- a/chrome/browser/thumbnails/thumbnail_service_unittest.cc
+++ b/chrome/browser/thumbnails/thumbnail_service_unittest.cc
@@ -7,9 +7,13 @@
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/history/top_sites_impl.h"
 #include "chrome/test/base/testing_profile.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-typedef testing::Test ThumbnailServiceTest;
+class ThumbnailServiceTest : public testing::Test {
+ private:
+  content::TestBrowserThreadBundle thread_bundle_;
+};
 
 // A mock version of TopSitesImpl, used for testing
 // ShouldAcquirePageThumbnail().