Refactor AO2TS to make it easier to componentize.

chrome/browser/android/chrome_jni_registrar.cc

Index: chrome/browser/android/chrome_jni_registrar.cc
diff --git a/chrome/browser/android/chrome_jni_registrar.cc b/chrome/browser/android/chrome_jni_registrar.cc
index c85aa33aa0115f40ae1987657b486a75b4e154af..8a86a2cca7afbcbf8f1eec0d4297d2ff8f6180c6 100644
--- a/chrome/browser/android/chrome_jni_registrar.cc
+++ b/chrome/browser/android/chrome_jni_registrar.cc
@@ -76,7 +76,7 @@
 #include "chrome/browser/prerender/external_prerender_handler_android.h"
 #include "chrome/browser/profiles/profile_android.h"
 #include "chrome/browser/search_engines/template_url_service_android.h"
-#include "chrome/browser/signin/android_profile_oauth2_token_service.h"
+#include "chrome/browser/signin/oauth2_token_service_delegate_android.h"
 #include "chrome/browser/speech/tts_android.h"
 #include "chrome/browser/supervised_user/child_accounts/child_account_feedback_reporter_android.h"
 #include "chrome/browser/supervised_user/child_accounts/child_account_service_android.h"
@@ -144,8 +144,6 @@ static base::android::RegistrationMethod kChromeRegisteredMethods[] = {
     {"AccessibilityUtils", AccessibilityUtil::Register},
     {"AccountChooserInfoBar", RegisterAccountChooserInfoBar},
     {"AccountManagementScreenHelper", AccountManagementScreenHelper::Register},
-    {"AndroidProfileOAuth2TokenService",
-     AndroidProfileOAuth2TokenService::Register},
     {"AnswersImageBridge", RegisterAnswersImageBridge},
     {"AppBannerInfoBar", RegisterAppBannerInfoBar},
     {"AppBannerInfoBarDelegate", banners::RegisterAppBannerInfoBarDelegate},
@@ -227,6 +225,8 @@ static base::android::RegistrationMethod kChromeRegisteredMethods[] = {
     {"NewTabPagePrefs", NewTabPagePrefs::RegisterNewTabPagePrefs},
     {"NotificationUIManager",
      NotificationUIManagerAndroid::RegisterNotificationUIManager},
+    {"OAuth2TokenServiceDelegateAndroid",
+     OAuth2TokenServiceDelegateAndroid::Register},
     {"OmniboxPrerender", RegisterOmniboxPrerender},
     {"OmniboxUrlEmphasizer",
      OmniboxUrlEmphasizer::RegisterOmniboxUrlEmphasizer},