GTTF: Use a fresh TestingBrowserProcess for each test, part #4

chrome/browser/browsing_data_file_system_helper_unittest.cc

Index: chrome/browser/browsing_data_file_system_helper_unittest.cc
diff --git a/chrome/browser/browsing_data_file_system_helper_unittest.cc b/chrome/browser/browsing_data_file_system_helper_unittest.cc
index b79c8c3c88212cdac3fae07d56c4c572b78b8685..8b9ff6b0801a09c1fd7bc4d94469fed4b92ecd6a 100644
--- a/chrome/browser/browsing_data_file_system_helper_unittest.cc
+++ b/chrome/browser/browsing_data_file_system_helper_unittest.cc
@@ -46,7 +46,7 @@ typedef scoped_ptr<FileSystemInfoVector> ScopedFileSystemInfoVector;
 // called. For this to work, you'll need to ensure that each async call is
 // implemented as a class method that that calls Notify() at an appropriate
 // point.
-class BrowsingDataFileSystemHelperTest : public testing::Test {
+class BrowsingDataFileSystemHelperTest : public TestingBrowserProcessTest {
  public:
   BrowsingDataFileSystemHelperTest()
       : helper_(BrowsingDataFileSystemHelper::Create(&profile_)),