content: Update the include paths of base/string_piece.h to its new location.

content/shell/shell_android.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 "content/shell/shell.h"
 
 #include <jni.h>
 
+#include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
-#include "base/android/jni_string.h"
 #include "base/command_line.h"
 #include "base/logging.h"
-#include "base/string_piece.h"
+#include "base/strings/string_piece.h"
 #include "content/public/common/content_switches.h"
 #include "content/shell/android/shell_manager.h"
 #include "jni/Shell_jni.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertUTF8ToJavaString;
 
 namespace content {
 
 void Shell::PlatformInitialize(const gfx::Size& default_window_size) {
@@ skipping 59 matching lines @@
   // TODO(tedchoc): Implement Close method for android shell
   NOTIMPLEMENTED();
 }
 
 // static
 bool Shell::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content