Include a role description string in node info for Android accessibility.

android_webview/common/aw_content_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_COMMON_AW_CONTENT_CLIENT_H_
 #define ANDROID_WEBVIEW_COMMON_AW_CONTENT_CLIENT_H_
 
 #include "content/public/common/content_client.h"
 
 #include "base/compiler_specific.h"
 
 namespace gpu {
 struct GPUInfo;
 }
 
 namespace android_webview {
 
 std::string GetProduct();
 std::string GetUserAgent();
 // extra text to be put into the OS section of the user agent text
 std::string GetExtraOSUserAgentInfo();
 
 class AwContentClient : public content::ContentClient {
  public:
   // ContentClient implementation.
   std::string GetProduct() const override;
   std::string GetUserAgent() const override;
   base::string16 GetLocalizedString(int message_id) const override;
+  base::string16 GetLocalizedStringF(
+      int message_id,
+      const base::string16& string0) const override;
   base::StringPiece GetDataResource(
       int resource_id,
       ui::ScaleFactor scale_factor) const override;
   bool CanSendWhileSwappedOut(const IPC::Message* message) override;
 
   void SetGpuInfo(const gpu::GPUInfo& gpu_info) override;
   const std::string& gpu_fingerprint() const { return gpu_fingerprint_; }
 
  private:
   std::string gpu_fingerprint_;
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_COMMON_AW_CONTENT_CLIENT_H_