[WebView] Remove more redundant classes

android_webview/browser/aw_content_browser_client.h

 // Copyright (c) 2012 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_LIB_AW_CONTENT_BROWSER_CLIENT_H_
 #define ANDROID_WEBVIEW_LIB_AW_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <memory>
 
-#include "android_webview/browser/aw_web_preferences_populater.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "content/public/browser/content_browser_client.h"
 
 namespace android_webview {
 
 class AwBrowserContext;
 class JniDependencyFactory;
 
 class AwContentBrowserClient : public content::ContentBrowserClient {
@@ skipping 110 matching lines @@
   std::unique_ptr<base::Value> GetServiceManifestOverlay(
       base::StringPiece name) override;
   void ExposeInterfacesToFrame(
       service_manager::BinderRegistry* registry,
       content::RenderFrameHost* render_frame_host) override;
 
  private:
   // Android WebView currently has a single global (non-off-the-record) browser
   // context.
   std::unique_ptr<AwBrowserContext> browser_context_;
-  std::unique_ptr<AwWebPreferencesPopulater> preferences_populater_;
 
   JniDependencyFactory* native_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AwContentBrowserClient);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_LIB_AW_CONTENT_BROWSER_CLIENT_H_