[Android WebView] Populate WebKit WebPreferences correctly in browser

android_webview/browser/aw_web_preferences_populater.h

+// Copyright (c) 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_H_
+#define ANDROID_WEBVIEW_BROWSER_AW_WEB_PREFERENCES_POPULATER_H_
+
+struct WebPreferences;
+
+namespace content {
+class WebContents;
+}
+
+namespace android_webview {
+
+// Empty base class so this can be destroyed by AwContentBrowserClient.
+class AwWebPreferencesPopulater {
+ public:
+  virtual ~AwWebPreferencesPopulater();
+
+  virtual void PopulateFor(content::WebContents* web_contents,
+                           WebPreferences* web_prefs) = 0;
+};
+
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_BROWSER_AW_WEB_PREFERENCES_POPULATER_H_