[WebView] Remove more redundant classes

android_webview/browser/aw_web_preferences_populater_impl.h

Index: android_webview/browser/aw_web_preferences_populater_impl.h
diff --git a/android_webview/browser/aw_web_preferences_populater_impl.h b/android_webview/browser/aw_web_preferences_populater_impl.h
deleted file mode 100644
index e30292da0e3a9c79713566e0061fd2a643562a66..0000000000000000000000000000000000000000
--- a/android_webview/browser/aw_web_preferences_populater_impl.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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 ANDROID_WEBVIEW_BROWSER_AW_WEB_PREFERENCES_POPULATER_IMPL_H_
-#define ANDROID_WEBVIEW_BROWSER_AW_WEB_PREFERENCES_POPULATER_IMPL_H_
-
-#include "android_webview/browser/aw_web_preferences_populater.h"
-#include "base/compiler_specific.h"
-
-namespace android_webview {
-
-class AwWebPreferencesPopulaterImpl : public AwWebPreferencesPopulater {
- public:
-  AwWebPreferencesPopulaterImpl();
-  ~AwWebPreferencesPopulaterImpl() override;
-
-  // AwWebPreferencesPopulater
-  void PopulateFor(content::WebContents* web_contents,
-                   content::WebPreferences* web_prefs) override;
-};
-
-}  // namespace android_webview
-
-#endif  // ANDROID_WEBVIEW_BROWSER_AW_WEB_PREFERENCES_POPULATER_IMPL_H_