Cleanup upstreamed Android infobar code.

chrome/browser/ui/android/infobars/confirm_infobar.h

 // Copyright 2013 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_UI_ANDROID_INFOBARS_CONFIRM_INFOBAR_H_
 #define CHROME_BROWSER_UI_ANDROID_INFOBARS_CONFIRM_INFOBAR_H_
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/ui/android/infobars/infobar_android.h"
 
-class ConfirmInfoBarDelegate;
-
-namespace gfx {
-class Image;
-}
-
-// Implementation of InfoBar for confirm infobars, this currently
-// includes, geolocation, popups..
 class ConfirmInfoBar : public InfoBarAndroid {
  public:
   ConfirmInfoBar(InfoBarService* owner, InfoBarDelegate* delegate);
   virtual ~ConfirmInfoBar();
 
  private:
-  // InfoBar overrides.
+  // InfoBarAndroid:
   virtual base::android::ScopedJavaLocalRef<jobject> CreateRenderInfoBar(
       JNIEnv* env) OVERRIDE;
   virtual void ProcessButton(int action,
                              const std::string& action_value) OVERRIDE;
 
-  string16 GetTextFor(ActionType action);
-  string16 GetMessage();
+  string16 GetTextFor(ConfirmInfoBarDelegate::InfoBarButton button);
 
   ConfirmInfoBarDelegate* delegate_;
   base::android::ScopedJavaGlobalRef<jobject> java_confirm_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ConfirmInfoBar);
 };
 
-// Registers native methods
+// Registers native methods.
 bool RegisterConfirmInfoBarDelegate(JNIEnv* env);
 
 #endif  // CHROME_BROWSER_UI_ANDROID_INFOBARS_CONFIRM_INFOBAR_H_