Remove unused header in aw_contents_io_thread_client_impl.cc

android_webview/native/aw_contents_io_thread_client_impl.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 "android_webview/native/aw_contents_io_thread_client_impl.h"
 
 #include <map>
 #include <utility>
 
 #include "android_webview/common/devtools_instrumentation.h"
 #include "android_webview/native/aw_contents_background_thread_client.h"
 #include "android_webview/native/aw_web_resource_response_impl.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/jni_weak_ref.h"
 #include "base/lazy_instance.h"
-#include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "jni/AwContentsIoThreadClient_jni.h"
@@ skipping 505 matching lines @@
       jstring_reason.obj(),
       jstringArray_response_header_names.obj(),
       jstringArray_response_header_values.obj());
 }
 
 bool RegisterAwContentsIoThreadClientImpl(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 } // namespace android_webview