Fake PO2TS GetRequestContext should return NULL.

chrome/browser/signin/fake_profile_oauth2_token_service.cc

Index: chrome/browser/signin/fake_profile_oauth2_token_service.cc
diff --git a/chrome/browser/signin/fake_profile_oauth2_token_service.cc b/chrome/browser/signin/fake_profile_oauth2_token_service.cc
index e1842eb558981452422fe797fd4ba7ee01348204..0d771deae04e7b5e937a75b18d160ed7b3480e74 100644
--- a/chrome/browser/signin/fake_profile_oauth2_token_service.cc
+++ b/chrome/browser/signin/fake_profile_oauth2_token_service.cc
@@ -44,6 +44,12 @@ bool FakeProfileOAuth2TokenService::RefreshTokenIsAvailable(
   return !GetRefreshToken(account_id).empty();
 }
 
+void FakeProfileOAuth2TokenService::LoadCredentials(
+    const std::string& primary_account_id) {
+  // Empty implementation as FakeProfileOAuth2TokenService does not have any
+  // credentials to load.
+}
+
 std::vector<std::string> FakeProfileOAuth2TokenService::GetAccounts() {
   std::vector<std::string> account_ids;
   for (std::map<std::string, std::string>::const_iterator iter =
@@ -152,6 +158,11 @@ std::string FakeProfileOAuth2TokenService::GetRefreshToken(
       std::string();
 }
 
+net::URLRequestContextGetter*
+FakeProfileOAuth2TokenService::GetRequestContext() {
+  return NULL;
+}
+
 std::vector<FakeProfileOAuth2TokenService::PendingRequest>
 FakeProfileOAuth2TokenService::GetPendingRequests() {
   std::vector<PendingRequest> valid_requests;