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

chrome/common/net/gaia/gaia_oauth_client_unittest.cc

Index: chrome/common/net/gaia/gaia_oauth_client_unittest.cc
diff --git a/chrome/common/net/gaia/gaia_oauth_client_unittest.cc b/chrome/common/net/gaia/gaia_oauth_client_unittest.cc
index d204a79b3d3207d0f9eab1e84107ec6d04efb365..e3e2a9f581e26cf0d18d7916c86fbb88ba1c5ee8 100644
--- a/chrome/common/net/gaia/gaia_oauth_client_unittest.cc
+++ b/chrome/common/net/gaia/gaia_oauth_client_unittest.cc
@@ -12,6 +12,7 @@
 #include "chrome/common/net/gaia/gaia_oauth_client.h"
 #include "chrome/common/net/http_return.h"
 #include "chrome/test/base/testing_profile.h"
+#include "chrome/test/testing_browser_process_test.h"
 #include "content/common/url_fetcher.h"
 #include "content/test/test_url_fetcher_factory.h"
 #include "googleurl/src/gurl.h"
@@ -123,7 +124,7 @@ const std::string kDummyRefreshTokenResult =
 
 namespace gaia {
 
-class GaiaOAuthClientTest : public testing::Test {
+class GaiaOAuthClientTest : public TestingBrowserProcessTest {
  public:
   GaiaOAuthClientTest() {}