Move TranslateURLFetcher to the translate component

chrome/browser/translate/chrome_translate_delegate.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_DELEGATE_H_
+#define CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_DELEGATE_H_
+
+#include "components/translate/core/browser/translate_delegate.h"
+
+#include <string>
+
+#include "base/compiler_specific.h"
+
+template <typename T>
+struct DefaultSingletonTraits;
+
+namespace net {
+class URLRequestContextGetter;
+}
+
+// Chrome embedder for the translate component.
+class ChromeTranslateDelegate : public TranslateDelegate {
+ public:
+  // Returns the singleton instance.
+  // TODO(droger): Improve the ownership model. See http://crbug.com/332736.
+  static ChromeTranslateDelegate* GetInstance();
+
+  virtual ~ChromeTranslateDelegate();
+
+ private:
+  friend struct DefaultSingletonTraits<ChromeTranslateDelegate>;
+  ChromeTranslateDelegate();
+
+  // TranslateDelegate methods.
+  virtual net::URLRequestContextGetter* GetURLRequestContext() OVERRIDE;
+};
+
+#endif  // CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_DELEGATE_H_