Use a direct include of strings headers in chrome/browser/ui/a*/.

chrome/browser/ui/android/android_about_app_info.cc

 // 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.
 
 #include "chrome/browser/ui/android/android_about_app_info.h"
 
 #include <string>
 
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "v8/include/v8.h"
 
 std::string AndroidAboutAppInfo::GetOsInfo() {
   std::string android_info_str;
 
   // Append information about the OS version.
   int32 os_major_version = 0;
   int32 os_minor_version = 0;
   int32 os_bugfix_version = 0;
@@ skipping 22 matching lines @@
   }
 
   return android_info_str;
 }
 
 std::string AndroidAboutAppInfo::GetJavaScriptVersion() {
   std::string js_version(v8::V8::GetVersion());
   std::string js_engine = "V8";
   return js_engine + " " + js_version;
 }