Refactor MetricsLogChromeOS to ChromeOSMetricsProvider.

chrome/browser/metrics/metrics_log_chromeos.cc

Index: chrome/browser/metrics/metrics_log_chromeos.cc
diff --git a/chrome/browser/metrics/metrics_log_chromeos.cc b/chrome/browser/metrics/metrics_log_chromeos.cc
deleted file mode 100644
index ecab03038ab8f19057fa1042177784aa893f500d..0000000000000000000000000000000000000000
--- a/chrome/browser/metrics/metrics_log_chromeos.cc
+++ /dev/null
@@ -1,220 +0,0 @@
-// Copyright 2014 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/metrics/metrics_log_chromeos.h"
-
-#include "base/prefs/pref_service.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/chromeos/login/users/user_manager.h"
-#include "chrome/common/pref_names.h"
-#include "components/metrics/proto/chrome_user_metrics_extension.pb.h"
-#include "device/bluetooth/bluetooth_adapter.h"
-#include "device/bluetooth/bluetooth_adapter_factory.h"
-#include "device/bluetooth/bluetooth_device.h"
-#include "ui/events/event_utils.h"
-#include "ui/gfx/screen.h"
-
-#if defined(USE_X11)
-#include "ui/events/x/touch_factory_x11.h"
-#endif  // defined(USE_X11)
-
-using metrics::ChromeUserMetricsExtension;
-using metrics::PerfDataProto;
-using metrics::SystemProfileProto;
-typedef SystemProfileProto::Hardware::Bluetooth::PairedDevice PairedDevice;
-
-namespace {
-
-PairedDevice::Type AsBluetoothDeviceType(
-    device::BluetoothDevice::DeviceType device_type) {
-  switch (device_type) {
-    case device::BluetoothDevice::DEVICE_UNKNOWN:
-      return PairedDevice::DEVICE_UNKNOWN;
-    case device::BluetoothDevice::DEVICE_COMPUTER:
-      return PairedDevice::DEVICE_COMPUTER;
-    case device::BluetoothDevice::DEVICE_PHONE:
-      return PairedDevice::DEVICE_PHONE;
-    case device::BluetoothDevice::DEVICE_MODEM:
-      return PairedDevice::DEVICE_MODEM;
-    case device::BluetoothDevice::DEVICE_AUDIO:
-      return PairedDevice::DEVICE_AUDIO;
-    case device::BluetoothDevice::DEVICE_CAR_AUDIO:
-      return PairedDevice::DEVICE_CAR_AUDIO;
-    case device::BluetoothDevice::DEVICE_VIDEO:
-      return PairedDevice::DEVICE_VIDEO;
-    case device::BluetoothDevice::DEVICE_PERIPHERAL:
-      return PairedDevice::DEVICE_PERIPHERAL;
-    case device::BluetoothDevice::DEVICE_JOYSTICK:
-      return PairedDevice::DEVICE_JOYSTICK;
-    case device::BluetoothDevice::DEVICE_GAMEPAD:
-      return PairedDevice::DEVICE_GAMEPAD;
-    case device::BluetoothDevice::DEVICE_KEYBOARD:
-      return PairedDevice::DEVICE_KEYBOARD;
-    case device::BluetoothDevice::DEVICE_MOUSE:
-      return PairedDevice::DEVICE_MOUSE;
-    case device::BluetoothDevice::DEVICE_TABLET:
-      return PairedDevice::DEVICE_TABLET;
-    case device::BluetoothDevice::DEVICE_KEYBOARD_MOUSE_COMBO:
-      return PairedDevice::DEVICE_KEYBOARD_MOUSE_COMBO;
-  }
-
-  NOTREACHED();
-  return PairedDevice::DEVICE_UNKNOWN;
-}
-
-void WriteExternalTouchscreensProto(SystemProfileProto::Hardware* hardware) {
-#if defined(USE_X11)
-  std::set<std::pair<int, int> > touchscreen_ids =
-      ui::TouchFactory::GetInstance()->GetTouchscreenIds();
-  for (std::set<std::pair<int, int> >::iterator it = touchscreen_ids.begin();
-       it != touchscreen_ids.end();
-       ++it) {
-    SystemProfileProto::Hardware::TouchScreen* touchscreen =
-        hardware->add_external_touchscreen();
-    touchscreen->set_vendor_id(it->first);
-    touchscreen->set_product_id(it->second);
-  }
-#endif  // defined(USE_X11)
-}
-
-}  // namespace
-
-MetricsLogChromeOS::~MetricsLogChromeOS() {
-}
-
-MetricsLogChromeOS::MetricsLogChromeOS(ChromeUserMetricsExtension* uma_proto)
-    : uma_proto_(uma_proto) {
-  UpdateMultiProfileUserCount();
-}
-
-void MetricsLogChromeOS::LogChromeOSMetrics() {
-  std::vector<PerfDataProto> perf_data;
-  if (perf_provider_.GetPerfData(&perf_data)) {
-    for (std::vector<PerfDataProto>::iterator iter = perf_data.begin();
-         iter != perf_data.end();
-         ++iter) {
-      uma_proto_->add_perf_data()->Swap(&(*iter));
-    }
-  }
-
-  WriteBluetoothProto();
-  UpdateMultiProfileUserCount();
-
-  SystemProfileProto::Hardware* hardware =
-      uma_proto_->mutable_system_profile()->mutable_hardware();
-  gfx::Display::TouchSupport has_touch = ui::GetInternalDisplayTouchSupport();
-  if (has_touch == gfx::Display::TOUCH_SUPPORT_AVAILABLE)
-    hardware->set_internal_display_supports_touch(true);
-  else if (has_touch == gfx::Display::TOUCH_SUPPORT_UNAVAILABLE)
-    hardware->set_internal_display_supports_touch(false);
-  WriteExternalTouchscreensProto(hardware);
-}
-
-void MetricsLogChromeOS::WriteRealtimeStabilityAttributes(PrefService* pref) {
-  SystemProfileProto::Stability* stability =
-      uma_proto_->mutable_system_profile()->mutable_stability();
-
-  int count = pref->GetInteger(prefs::kStabilityOtherUserCrashCount);
-  if (count) {
-    stability->set_other_user_crash_count(count);
-    pref->SetInteger(prefs::kStabilityOtherUserCrashCount, 0);
-  }
-
-  count = pref->GetInteger(prefs::kStabilityKernelCrashCount);
-  if (count) {
-    stability->set_kernel_crash_count(count);
-    pref->SetInteger(prefs::kStabilityKernelCrashCount, 0);
-  }
-
-  count = pref->GetInteger(prefs::kStabilitySystemUncleanShutdownCount);
-  if (count) {
-    stability->set_unclean_system_shutdown_count(count);
-    pref->SetInteger(prefs::kStabilitySystemUncleanShutdownCount, 0);
-  }
-}
-
-void MetricsLogChromeOS::WriteBluetoothProto() {
-  SystemProfileProto::Hardware* hardware =
-      uma_proto_->mutable_system_profile()->mutable_hardware();
-
-  // BluetoothAdapterFactory::GetAdapter is synchronous on Chrome OS; if that
-  // changes this will fail at the DCHECK().
-  device::BluetoothAdapterFactory::GetAdapter(
-      base::Bind(&MetricsLogChromeOS::SetBluetoothAdapter,
-                 base::Unretained(this)));
-  DCHECK(adapter_.get());
-
-  SystemProfileProto::Hardware::Bluetooth* bluetooth =
-      hardware->mutable_bluetooth();
-
-  bluetooth->set_is_present(adapter_->IsPresent());
-  bluetooth->set_is_enabled(adapter_->IsPowered());
-
-  device::BluetoothAdapter::DeviceList devices = adapter_->GetDevices();
-  for (device::BluetoothAdapter::DeviceList::iterator iter =
-           devices.begin(); iter != devices.end(); ++iter) {
-    device::BluetoothDevice* device = *iter;
-    // Don't collect information about LE devices yet.
-    if (!device->IsPaired())
-      continue;
-
-    PairedDevice* paired_device = bluetooth->add_paired_device();
-    paired_device->set_bluetooth_class(device->GetBluetoothClass());
-    paired_device->set_type(AsBluetoothDeviceType(device->GetDeviceType()));
-
-    // |address| is xx:xx:xx:xx:xx:xx, extract the first three components and
-    // pack into a uint32.
-    std::string address = device->GetAddress();
-    if (address.size() > 9 &&
-        address[2] == ':' && address[5] == ':' && address[8] == ':') {
-      std::string vendor_prefix_str;
-      uint64 vendor_prefix;
-
-      base::RemoveChars(address.substr(0, 9), ":", &vendor_prefix_str);
-      DCHECK_EQ(6U, vendor_prefix_str.size());
-      base::HexStringToUInt64(vendor_prefix_str, &vendor_prefix);
-
-      paired_device->set_vendor_prefix(vendor_prefix);
-    }
-
-    switch (device->GetVendorIDSource()) {
-      case device::BluetoothDevice::VENDOR_ID_BLUETOOTH:
-        paired_device->set_vendor_id_source(PairedDevice::VENDOR_ID_BLUETOOTH);
-        break;
-      case device::BluetoothDevice::VENDOR_ID_USB:
-        paired_device->set_vendor_id_source(PairedDevice::VENDOR_ID_USB);
-        break;
-      default:
-        paired_device->set_vendor_id_source(PairedDevice::VENDOR_ID_UNKNOWN);
-    }
-
-    paired_device->set_vendor_id(device->GetVendorID());
-    paired_device->set_product_id(device->GetProductID());
-    paired_device->set_device_id(device->GetDeviceID());
-  }
-}
-
-void MetricsLogChromeOS::UpdateMultiProfileUserCount() {
-  metrics::SystemProfileProto* system_profile =
-      uma_proto_->mutable_system_profile();
-
-  if (chromeos::UserManager::IsInitialized()) {
-    size_t user_count = chromeos::UserManager::Get()->GetLoggedInUsers().size();
-
-    // We invalidate the user count if it changed while the log was open.
-    if (system_profile->has_multi_profile_user_count() &&
-        user_count != system_profile->multi_profile_user_count()) {
-      user_count = 0;
-    }
-
-    system_profile->set_multi_profile_user_count(user_count);
-  }
-}
-
-void MetricsLogChromeOS::SetBluetoothAdapter(
-    scoped_refptr<device::BluetoothAdapter> adapter) {
-  adapter_ = adapter;
-}