[WebView] Remove more redundant classes

android_webview/browser/aw_web_preferences_populater_impl.cc

Index: android_webview/browser/aw_web_preferences_populater_impl.cc
diff --git a/android_webview/browser/aw_web_preferences_populater_impl.cc b/android_webview/browser/aw_web_preferences_populater_impl.cc
deleted file mode 100644
index 27259698e97a2953fd486910179e8f945efddd69..0000000000000000000000000000000000000000
--- a/android_webview/browser/aw_web_preferences_populater_impl.cc
+++ /dev/null
@@ -1,24 +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.
-
-#include "android_webview/browser/aw_web_preferences_populater_impl.h"
-
-#include "android_webview/browser/aw_settings.h"
-
-namespace android_webview {
-
-AwWebPreferencesPopulaterImpl::AwWebPreferencesPopulaterImpl() {}
-
-AwWebPreferencesPopulaterImpl::~AwWebPreferencesPopulaterImpl() {}
-
-void AwWebPreferencesPopulaterImpl::PopulateFor(
-    content::WebContents* web_contents,
-    content::WebPreferences* web_prefs) {
-  AwSettings* aw_settings = AwSettings::FromWebContents(web_contents);
-  if (aw_settings) {
-    aw_settings->PopulateWebPreferences(web_prefs);
-  }
-}
-
-}  // namespace android_webview