Move chrome.diagnostics API to extensions/.

chrome/browser/extensions/api/diagnostics/diagnostics_api.cc

-// Copyright 2013 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/extensions/api/diagnostics/diagnostics_api.h"
-
-namespace SendPacket = extensions::api::diagnostics::SendPacket;
-
-namespace {
-
-const char kErrorPingNotImplemented[] = "Not implemented";
-const char kErrorPingFailed[] = "Failed to send ping packet";
-
-}
-
-namespace extensions {
-
-DiagnosticsSendPacketFunction::DiagnosticsSendPacketFunction() {}
-
-DiagnosticsSendPacketFunction::~DiagnosticsSendPacketFunction() {}
-
-bool DiagnosticsSendPacketFunction::Prepare() {
-  parameters_ = SendPacket::Params::Create(*args_);
-  EXTENSION_FUNCTION_VALIDATE(parameters_.get());
-  return true;
-}
-
-bool DiagnosticsSendPacketFunction::Respond() {
-  return error_.empty();
-}
-
-void DiagnosticsSendPacketFunction::OnCompleted(
-    SendPacketResultCode result_code,
-    const std::string& ip,
-    double latency) {
-  switch (result_code) {
-    case SEND_PACKET_OK: {
-      extensions::api::diagnostics::SendPacketResult result;
-      result.ip = ip;
-      result.latency = latency;
-      results_ = SendPacket::Results::Create(result);
-      break;
-    }
-    case SEND_PACKET_NOT_IMPLEMENTED:
-      SetError(kErrorPingNotImplemented);
-      break;
-    case SEND_PACKET_FAILED:
-      SetError(kErrorPingFailed);
-      break;
-  }
-  AsyncWorkCompleted();
-}
-
-}  // namespace extensions