Reduce/remove usage of BrowserThread in content/browser/loader.

content/browser/loader/temporary_file_stream_unittest.cc

Index: content/browser/loader/temporary_file_stream_unittest.cc
diff --git a/content/browser/loader/temporary_file_stream_unittest.cc b/content/browser/loader/temporary_file_stream_unittest.cc
index 4db92d3111c78d6d92aff3936ba1bdb286fb83a8..277b74cd817004fde8d8e23e4c9a7a97d90854fb 100644
--- a/content/browser/loader/temporary_file_stream_unittest.cc
+++ b/content/browser/loader/temporary_file_stream_unittest.cc
@@ -13,6 +13,8 @@
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "content/browser/loader/loader_globals.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "net/base/file_stream.h"
 #include "net/base/io_buffer.h"
@@ -66,6 +68,12 @@ class WaitForFileStream {
 
 TEST(TemporaryFileStreamTest, Basic) {
   TestBrowserThreadBundle thread_bundle(TestBrowserThreadBundle::IO_MAINLOOP);
+  // Dummy instance of the LoaderGlobals class to ensure that the UI and IO
+  // task runners are available for content/browser/loader code.
+  // TODO(ananta)
+  // Avoid this hack.
+  LoaderGlobals loader_globals(base::ThreadTaskRunnerHandle::Get(),
+                               base::ThreadTaskRunnerHandle::Get());
 
   // Create a temporary.
   WaitForFileStream file_stream_waiter;