Remove dependency of TranslateInfobarDelegate on profile

This CL uses TranslateTabHelper instead of Profile and also cleans up
some unused code and irrelevant dependencies.

BUG=371845

Review URL: https://codereview.chromium.org/286973003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@270758 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/translate/translate_infobar_delegate.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2012 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.
 
@@ -9,16 +9,14 @@
 #include "base/i18n/string_compare.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
-#include "chrome/browser/browser_process.h"
 #include "chrome/browser/infobars/infobar_service.h"
-#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "components/infobars/core/infobar.h"
 #include "components/translate/core/browser/translate_accept_languages.h"
 #include "components/translate/core/browser/translate_download_manager.h"
 #include "components/translate/core/browser/translate_manager.h"
 #include "components/translate/core/common/translate_constants.h"
-#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/browser_context.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
@@ -144,13 +142,13 @@ void TranslateInfoBarDelegate::TranslationDeclined() {
 }
 
 bool TranslateInfoBarDelegate::IsTranslatableLanguageByPrefs() {
-  Profile* profile =
-      Profile::FromBrowserContext(GetWebContents()->GetBrowserContext());
-  Profile* original_profile = profile->GetOriginalProfile();
+  TranslateTabHelper* translate_tab_helper =
+      TranslateTabHelper::FromWebContents(GetWebContents());
   scoped_ptr<TranslatePrefs> translate_prefs(
-      TranslateTabHelper::CreateTranslatePrefs(original_profile->GetPrefs()));
+      TranslateTabHelper::CreateTranslatePrefs(
+          translate_tab_helper->GetPrefs()));
   TranslateAcceptLanguages* accept_languages =
-      TranslateTabHelper::GetTranslateAcceptLanguages(original_profile);
+      translate_tab_helper->GetTranslateAcceptLanguages();
   return translate_prefs->CanTranslateLanguage(accept_languages,
                                                original_language_code());
 }
@@ -283,13 +281,6 @@ content::WebContents* TranslateInfoBarDelegate::GetWebContents() {
   return InfoBarService::WebContentsFromInfoBar(infobar());
 }
 
-// static
-base::string16 TranslateInfoBarDelegate::GetLanguageDisplayableName(
-    const std::string& language_code) {
-  return l10n_util::GetDisplayNameForLocale(
-      language_code, g_browser_process->GetApplicationLocale(), true);
-}
-
 // static
 void TranslateInfoBarDelegate::GetAfterTranslateStrings(
     std::vector<base::string16>* strings,

chrome/browser/translate/translate_infobar_delegate.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright 2011 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.
 
@@ -11,15 +11,19 @@
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "chrome/browser/translate/translate_tab_helper.h"
 #include "components/infobars/core/infobar_delegate.h"
 #include "components/translate/core/browser/translate_prefs.h"
+#include "components/translate/core/browser/translate_step.h"
 #include "components/translate/core/browser/translate_ui_delegate.h"
 #include "components/translate/core/common/translate_constants.h"
 #include "components/translate/core/common/translate_errors.h"
 
 class PrefService;
 
+namespace content {
+class WebContents;
+}
+
 class TranslateInfoBarDelegate : public infobars::InfoBarDelegate {
  public:
   // The types of background color animations.
@@ -147,11 +151,6 @@ class TranslateInfoBarDelegate : public infobars::InfoBarDelegate {
   // Returns the WebContents associated with the TranslateInfoBarDelegate.
   content::WebContents* GetWebContents();
 
-  // Convenience method that returns the displayable language name for
-  // |language_code| in the current application locale.
-  static base::string16 GetLanguageDisplayableName(
-      const std::string& language_code);
-
   // Adds the strings that should be displayed in the after translate infobar to
   // |strings|. If |autodetermined_source_language| is false, the text in that
   // infobar is: