Introduce TranslateService and TranslateDownloadManager

components/translate/core/browser/translate_url_fetcher.h

Index: components/translate/core/browser/translate_url_fetcher.h
diff --git a/components/translate/core/browser/translate_url_fetcher.h b/components/translate/core/browser/translate_url_fetcher.h
index a702e339d4eeaaff225719218efae1de0432d7c7..608c29ebcebd4bd2a737dc6c7be3975555530a00 100644
--- a/components/translate/core/browser/translate_url_fetcher.h
+++ b/components/translate/core/browser/translate_url_fetcher.h
@@ -10,8 +10,6 @@
 #include "net/url_request/url_fetcher_delegate.h"
 #include "url/gurl.h"
 
-class TranslateDelegate;
-
 class TranslateURLFetcher : public net::URLFetcherDelegate {
  public:
   // Callback type for Request().
@@ -25,8 +23,7 @@ class TranslateURLFetcher : public net::URLFetcherDelegate {
     FAILED,      // The last fetch request was finished with a failure.
   };
 
-  // |delegate| is expected to outlive the TranslateURLFetcher.
-  explicit TranslateURLFetcher(int id, TranslateDelegate* delegate);
+  explicit TranslateURLFetcher(int id);
   virtual ~TranslateURLFetcher();
 
   int max_retry_on_5xx() {
@@ -62,9 +59,6 @@ class TranslateURLFetcher : public net::URLFetcherDelegate {
   // ID which is assigned to the URLFetcher.
   const int id_;
 
-  // Used to get information from the embedder of Translate.
-  TranslateDelegate* translate_delegate_;
-
   // Internal state.
   enum State state_;