Clean up the PermissionInfoBarDelegate hierarchy.

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

 // Copyright 2016 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_PERMISSION_INFOBAR_H_
 #define CHROME_BROWSER_UI_ANDROID_INFOBARS_PERMISSION_INFOBAR_H_
 
 #include "base/android/scoped_java_ref.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/android/infobars/confirm_infobar.h"
 
-class PermissionInfobarDelegate;
+class PermissionInfoBarDelegate;
 
 class PermissionInfoBar : public ConfirmInfoBar {
  public:
   explicit PermissionInfoBar(
-      std::unique_ptr<PermissionInfobarDelegate> delegate);
+      std::unique_ptr<PermissionInfoBarDelegate> delegate);
   ~PermissionInfoBar() override;
 
  protected:
-  PermissionInfobarDelegate* GetDelegate();
+  PermissionInfoBarDelegate* GetDelegate();
 
   // InfoBarAndroid overrides.
   base::android::ScopedJavaLocalRef<jobject> CreateRenderInfoBar(
       JNIEnv* env) override;
 
  private:
   void ProcessButton(int action) override;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionInfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_ANDROID_INFOBARS_PERMISSION_INFOBAR_H_