Move TranslateManager unit tests out of the browser_tests target.

chrome/browser/translate/translate_service.cc

Index: chrome/browser/translate/translate_service.cc
diff --git a/chrome/browser/translate/translate_service.cc b/chrome/browser/translate/translate_service.cc
index 7355a2fb4a1bb47211ab9a3c8f17fb24ba8149bf..e55ded91672d2f0c0801509d7b139cd661b6c045 100644
--- a/chrome/browser/translate/translate_service.cc
+++ b/chrome/browser/translate/translate_service.cc
@@ -43,11 +43,26 @@ void TranslateService::Shutdown(bool cleanup_pending_fetcher) {
   if (cleanup_pending_fetcher) {
     download_manager->Shutdown();
   } else {
-    // This path is only used by tests.
+    // This path is only used by browser tests.
     download_manager->set_request_context(NULL);
   }
 }
 
+// static
+void TranslateService::InitializeForTesting() {
+  if (!g_translate_service) {
+    TranslateService::Initialize();
+  } else {
+    TranslateDownloadManager::GetInstance()->ResetForTesting();
+    g_translate_service->OnResourceRequestsAllowed();
+  }
+}
+
+// static
+void TranslateService::ShutdownForTesting() {
+  TranslateDownloadManager::GetInstance()->Shutdown();
+}
+
 void TranslateService::OnResourceRequestsAllowed() {
   TranslateLanguageList* language_list =
       TranslateDownloadManager::GetInstance()->language_list();