Refactor AO2TS to make it easier to componentize.

chrome/browser/signin/fake_profile_oauth2_token_service_builder.cc

Index: chrome/browser/signin/fake_profile_oauth2_token_service_builder.cc
diff --git a/chrome/browser/signin/fake_profile_oauth2_token_service_builder.cc b/chrome/browser/signin/fake_profile_oauth2_token_service_builder.cc
index 90e9fe342bacca6d400622b9e8dad99aa84ce926..cece05b5cd68e03650d1b00fe27eea5a75352e15 100644
--- a/chrome/browser/signin/fake_profile_oauth2_token_service_builder.cc
+++ b/chrome/browser/signin/fake_profile_oauth2_token_service_builder.cc
@@ -11,21 +11,13 @@
 // TODO(blundell): Should these be namespaced?
 KeyedService* BuildFakeProfileOAuth2TokenService(
     content::BrowserContext* context) {
-  Profile* profile = Profile::FromBrowserContext(context);
   FakeProfileOAuth2TokenService* service = new FakeProfileOAuth2TokenService();
-  service->Initialize(
-      ChromeSigninClientFactory::GetInstance()->GetForProfile(profile),
-      SigninErrorControllerFactory::GetInstance()->GetForProfile(profile));
   return service;
 }
 
 KeyedService* BuildAutoIssuingFakeProfileOAuth2TokenService(
     content::BrowserContext* context) {
-  Profile* profile = Profile::FromBrowserContext(context);
   FakeProfileOAuth2TokenService* service = new FakeProfileOAuth2TokenService();
   service->set_auto_post_fetch_response_on_message_loop(true);
-  service->Initialize(
-      ChromeSigninClientFactory::GetInstance()->GetForProfile(profile),
-      SigninErrorControllerFactory::GetInstance()->GetForProfile(profile));
   return service;
 }