Revert of Added bluetooth LE support on Mac platform (patchset #13 id:340001 of https://codereview.chromium.org/791763005/)

Reason for revert:
Breaks compile:
http://build.chromium.org/p/chromium.mac/builders/Mac%20Builder/builds/17750

../../device/bluetooth/bluetooth_low_energy_discovery_manager_mac.mm:119:30: error: class method '+UUIDWithString:' not found (return type defaults to 'id') [-Werror,-Wobjc-method-access]
      CBUUID* uuid = [CBUUID UUIDWithString:uuidString];
                             ^~~~~~~~~~~~~~

../../device/bluetooth/bluetooth_low_energy_device_mac.mm:82:39: error: use of undeclared identifier 'CBAdvertisementDataIsConnectable'
      [advertisementData objectForKey:CBAdvertisementDataIsConnectable];
                                      ^
../../device/bluetooth/bluetooth_low_energy_device_mac.mm:85:39: error: use of undeclared identifier 'CBAdvertisementDataServiceDataKey'
      [advertisementData objectForKey:CBAdvertisementDataServiceDataKey];
                                      ^
2 errors generated.

Original issue's description:
> Added bluetooth LE support on Mac platform
>
> BUG=449682
>
> Committed: https://crrev.com/42f79f8b08a99190627f3a67e86a378987104a4a
> Cr-Commit-Position: refs/heads/master@{#315190}

TBR=armansito@chromium.org,avi@chromium.org,groby@chromium.org,dvh@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=449682

Review URL: https://codereview.chromium.org/871843009

Cr-Commit-Position: refs/heads/master@{#315191}

7 files changed, 0 insertions, 630 deletions

diff --git a/device/bluetooth/BUILD.gn b/device/bluetooth/BUILD.gn
index 0e70391..d8bc665 100644
--- a/device/bluetooth/BUILD.gn
+++ b/device/bluetooth/BUILD.gn
@@ -69,10 +69,6 @@ component("bluetooth") {
     "bluetooth_l2cap_channel_mac.h",
     "bluetooth_low_energy_defs_win.cc",
     "bluetooth_low_energy_defs_win.h",
-    "bluetooth_low_energy_device_mac.h",
-    "bluetooth_low_energy_device_mac.mm",
-    "bluetooth_low_energy_discovery_manager_mac.h",
-    "bluetooth_low_energy_discovery_manager_mac.mm",
     "bluetooth_low_energy_win.cc",
     "bluetooth_low_energy_win.h",
     "bluetooth_pairing_chromeos.cc",
diff --git a/device/bluetooth/bluetooth.gyp b/device/bluetooth/bluetooth.gyp
index f4d3f1f..30b9ffe 100644
--- a/device/bluetooth/bluetooth.gyp
+++ b/device/bluetooth/bluetooth.gyp
@@ -72,10 +72,6 @@
         'bluetooth_l2cap_channel_mac.h',
         'bluetooth_low_energy_defs_win.cc',
         'bluetooth_low_energy_defs_win.h',
-        'bluetooth_low_energy_device_mac.h',
-        'bluetooth_low_energy_device_mac.mm',
-        'bluetooth_low_energy_discovery_manager_mac.h',
-        'bluetooth_low_energy_discovery_manager_mac.mm',
         'bluetooth_low_energy_win.cc',
         'bluetooth_low_energy_win.h',
         'bluetooth_pairing_chromeos.cc',
diff --git a/device/bluetooth/bluetooth_discovery_manager_mac.h b/device/bluetooth/bluetooth_discovery_manager_mac.h
index f6a003c..534646a 100644
--- a/device/bluetooth/bluetooth_discovery_manager_mac.h
+++ b/device/bluetooth/bluetooth_discovery_manager_mac.h
@@ -28,9 +28,6 @@ class BluetoothDiscoveryManagerMac {
     // such as when a user disables the controller, in which case the value of
     // |unexpected| will be true.
     virtual void DiscoveryStopped(bool unexpected) = 0;
-
-   protected:
-    virtual ~Observer() {}
   };
 
   virtual ~BluetoothDiscoveryManagerMac();
diff --git a/device/bluetooth/bluetooth_low_energy_device_mac.h b/device/bluetooth/bluetooth_low_energy_device_mac.h
deleted file mode 100644
index bb5ffca..0000000
--- a/device/bluetooth/bluetooth_low_energy_device_mac.h
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright 2015 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.
-
-#ifndef DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_
-#define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_
-
-#if defined(OS_IOS)
-#import <CoreBluetooth/CoreBluetooth.h>
-#else
-#import <IOBluetooth/IOBluetooth.h>
-#endif
-
-#include "base/mac/scoped_nsobject.h"
-#include "base/mac/sdk_forward_declarations.h"
-#include "device/bluetooth/bluetooth_device.h"
-
-namespace device {
-
-class BluetoothLowEnergyDiscoverManagerMac;
-
-class BluetoothLowEnergyDeviceMac : public BluetoothDevice {
- public:
-  BluetoothLowEnergyDeviceMac(CBPeripheral* peripheral,
-                              NSDictionary* advertisementData,
-                              int rssi);
-  ~BluetoothLowEnergyDeviceMac() override;
-
-  int GetRSSI() const;
-
-  // BluetoothDevice overrides.
-  std::string GetIdentifier() const override;
-  uint32 GetBluetoothClass() const override;
-  std::string GetAddress() const override;
-  BluetoothDevice::VendorIDSource GetVendorIDSource() const override;
-  uint16 GetVendorID() const override;
-  uint16 GetProductID() const override;
-  uint16 GetDeviceID() const override;
-  bool IsPaired() const override;
-  bool IsConnected() const override;
-  bool IsConnectable() const override;
-  bool IsConnecting() const override;
-  BluetoothDevice::UUIDList GetUUIDs() const override;
-  bool ExpectingPinCode() const override;
-  bool ExpectingPasskey() const override;
-  bool ExpectingConfirmation() const override;
-  void GetConnectionInfo(const ConnectionInfoCallback& callback) override;
-  void Connect(PairingDelegate* pairing_delegate,
-               const base::Closure& callback,
-               const ConnectErrorCallback& error_callback) override;
-  void SetPinCode(const std::string& pincode) override;
-  void SetPasskey(uint32 passkey) override;
-  void ConfirmPairing() override;
-  void RejectPairing() override;
-  void CancelPairing() override;
-  void Disconnect(const base::Closure& callback,
-                  const ErrorCallback& error_callback) override;
-  void Forget(const ErrorCallback& error_callback) override;
-  void ConnectToService(
-      const BluetoothUUID& uuid,
-      const ConnectToServiceCallback& callback,
-      const ConnectToServiceErrorCallback& error_callback) override;
-  void ConnectToServiceInsecurely(
-      const device::BluetoothUUID& uuid,
-      const ConnectToServiceCallback& callback,
-      const ConnectToServiceErrorCallback& error_callback) override;
-  void CreateGattConnection(
-      const GattConnectionCallback& callback,
-      const ConnectErrorCallback& error_callback) override;
-
- protected:
-  // BluetoothDevice override.
-  std::string GetDeviceName() const override;
-
-  // Updates information about the device.
-  virtual void Update(CBPeripheral* peripheral,
-                      NSDictionary* advertisementData,
-                      int rssi);
-
-  static std::string GetPeripheralIdentifier(CBPeripheral* peripheral);
-
- private:
-  friend class BluetoothLowEnergyDiscoveryManagerMac;
-
-  // CoreBluetooth data structure.
-  base::scoped_nsobject<CBPeripheral> peripheral_;
-
-  // RSSI value.
-  int rssi_;
-
-  // Whether the device is connectable.
-  bool connectable_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyDeviceMac);
-};
-
-}  // namespace device
-
-#endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_
diff --git a/device/bluetooth/bluetooth_low_energy_device_mac.mm b/device/bluetooth/bluetooth_low_energy_device_mac.mm
deleted file mode 100644
index ae56d53..0000000
--- a/device/bluetooth/bluetooth_low_energy_device_mac.mm
+++ /dev/null
@@ -1,237 +0,0 @@
-// Copyright 2015 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 "device/bluetooth/bluetooth_low_energy_device_mac.h"
-
-#import <CoreFoundation/CoreFoundation.h>
-
-#include "base/mac/scoped_cftyperef.h"
-#include "base/mac/sdk_forward_declarations.h"
-#include "base/strings/sys_string_conversions.h"
-
-using device::BluetoothDevice;
-using device::BluetoothLowEnergyDeviceMac;
-
-namespace {
-
-// Converts a CBUUID to a Cocoa string.
-//
-// The string representation can have the following formats:
-// - 16 bit:  xxxx
-// - 128 bit: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
-// CBUUID supports only 16 bits and 128 bits formats.
-//
-// In OSX < 10.10, -[uuid UUIDString] method is not implemented. It's why we
-// need to provide this function.
-NSString* stringWithCBUUID(CBUUID* uuid) {
-  NSData* data = [uuid data];
-
-  NSUInteger bytesToConvert = [data length];
-  const unsigned char* uuidBytes = (const unsigned char*)[data bytes];
-  NSMutableString* outputString = [NSMutableString stringWithCapacity:16];
-
-  for (NSUInteger currentByteIndex = 0; currentByteIndex < bytesToConvert;
-       currentByteIndex++) {
-    switch (currentByteIndex) {
-      case 3:
-      case 5:
-      case 7:
-      case 9:
-        [outputString appendFormat:@"%02x-", uuidBytes[currentByteIndex]];
-        break;
-      default:
-        [outputString appendFormat:@"%02x", uuidBytes[currentByteIndex]];
-    }
-  }
-  return outputString;
-}
-
-// Converts a CBUUID to a BluetoothUUID.
-device::BluetoothUUID BluetoothUUIDWithCBUUID(CBUUID* uuid) {
-  NSString* uuidString = nil;
-  // TODO(dvh): Remove this once we moved to OSX SDK >= 10.10.
-  if ([uuid respondsToSelector:@selector(UUIDString)]) {
-    uuidString = [uuid UUIDString];
-  } else {
-    uuidString = stringWithCBUUID(uuid);
-  }
-  std::string uuid_c_string = base::SysNSStringToUTF8(uuidString);
-  return device::BluetoothUUID(uuid_c_string);
-}
-
-}  // namespace
-
-BluetoothLowEnergyDeviceMac::BluetoothLowEnergyDeviceMac(
-    CBPeripheral* peripheral,
-    NSDictionary* advertisementData,
-    int rssi) {
-  Update(peripheral, advertisementData, rssi);
-}
-
-BluetoothLowEnergyDeviceMac::~BluetoothLowEnergyDeviceMac() {
-}
-
-void BluetoothLowEnergyDeviceMac::Update(CBPeripheral* peripheral,
-                                         NSDictionary* advertisementData,
-                                         int rssi) {
-  peripheral_.reset([peripheral retain]);
-  rssi_ = rssi;
-  ClearServiceData();
-  NSNumber* nbConnectable =
-      [advertisementData objectForKey:CBAdvertisementDataIsConnectable];
-  connectable_ = [nbConnectable boolValue];
-  NSDictionary* serviceData =
-      [advertisementData objectForKey:CBAdvertisementDataServiceDataKey];
-  for (CBUUID* uuid in serviceData) {
-    NSData* data = [serviceData objectForKey:uuid];
-    BluetoothUUID serviceUUID = BluetoothUUIDWithCBUUID(uuid);
-    SetServiceData(serviceUUID, (const char*)[data bytes], [data length]);
-  }
-}
-
-std::string BluetoothLowEnergyDeviceMac::GetIdentifier() const {
-  return GetPeripheralIdentifier(peripheral_);
-}
-
-uint32 BluetoothLowEnergyDeviceMac::GetBluetoothClass() const {
-  return 0;
-}
-
-std::string BluetoothLowEnergyDeviceMac::GetAddress() const {
-  return std::string();
-}
-
-BluetoothDevice::VendorIDSource BluetoothLowEnergyDeviceMac::GetVendorIDSource()
-    const {
-  return VENDOR_ID_UNKNOWN;
-}
-
-uint16 BluetoothLowEnergyDeviceMac::GetVendorID() const {
-  return 0;
-}
-
-uint16 BluetoothLowEnergyDeviceMac::GetProductID() const {
-  return 0;
-}
-
-uint16 BluetoothLowEnergyDeviceMac::GetDeviceID() const {
-  return 0;
-}
-
-int BluetoothLowEnergyDeviceMac::GetRSSI() const {
-  return rssi_;
-}
-
-bool BluetoothLowEnergyDeviceMac::IsPaired() const {
-  return false;
-}
-
-bool BluetoothLowEnergyDeviceMac::IsConnected() const {
-  return [peripheral_ isConnected];
-}
-
-bool BluetoothLowEnergyDeviceMac::IsConnectable() const {
-  return connectable_;
-}
-
-bool BluetoothLowEnergyDeviceMac::IsConnecting() const {
-  return false;
-}
-
-BluetoothDevice::UUIDList BluetoothLowEnergyDeviceMac::GetUUIDs() const {
-  return std::vector<device::BluetoothUUID>();
-}
-
-bool BluetoothLowEnergyDeviceMac::ExpectingPinCode() const {
-  return false;
-}
-
-bool BluetoothLowEnergyDeviceMac::ExpectingPasskey() const {
-  return false;
-}
-
-bool BluetoothLowEnergyDeviceMac::ExpectingConfirmation() const {
-  return false;
-}
-
-void BluetoothLowEnergyDeviceMac::GetConnectionInfo(
-    const ConnectionInfoCallback& callback) {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::Connect(
-    PairingDelegate* pairing_delegate,
-    const base::Closure& callback,
-    const ConnectErrorCallback& error_callback) {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::SetPinCode(const std::string& pincode) {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::SetPasskey(uint32 passkey) {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::ConfirmPairing() {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::RejectPairing() {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::CancelPairing() {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::Disconnect(
-    const base::Closure& callback,
-    const ErrorCallback& error_callback) {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::Forget(const ErrorCallback& error_callback) {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::ConnectToService(
-    const BluetoothUUID& uuid,
-    const ConnectToServiceCallback& callback,
-    const ConnectToServiceErrorCallback& error_callback) {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::ConnectToServiceInsecurely(
-    const device::BluetoothUUID& uuid,
-    const ConnectToServiceCallback& callback,
-    const ConnectToServiceErrorCallback& error_callback) {
-  NOTIMPLEMENTED();
-}
-
-void BluetoothLowEnergyDeviceMac::CreateGattConnection(
-    const GattConnectionCallback& callback,
-    const ConnectErrorCallback& error_callback) {
-  NOTIMPLEMENTED();
-}
-
-std::string BluetoothLowEnergyDeviceMac::GetDeviceName() const {
-  return base::SysNSStringToUTF8([peripheral_ name]);
-}
-
-std::string BluetoothLowEnergyDeviceMac::GetPeripheralIdentifier(
-    CBPeripheral* peripheral) {
-  // TODO(dvh): Remove this once we moved to OSX SDK >= 10.9.
-  if ([peripheral respondsToSelector:@selector(identifier)]) {
-    // When -[CBPeripheral identifier] is available.
-    NSUUID* uuid = [peripheral identifier];
-    NSString* uuidString = [uuid UUIDString];
-    return base::SysNSStringToUTF8(uuidString);
-  }
-
-  base::ScopedCFTypeRef<CFStringRef> str(
-      CFUUIDCreateString(NULL, [peripheral UUID]));
-  return SysCFStringRefToUTF8(str);
-}
diff --git a/device/bluetooth/bluetooth_low_energy_discovery_manager_mac.h b/device/bluetooth/bluetooth_low_energy_discovery_manager_mac.h
deleted file mode 100644
index 29ad529..0000000
--- a/device/bluetooth/bluetooth_low_energy_discovery_manager_mac.h
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright 2015 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.
-
-#ifndef DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DISCOVERY_MANAGER_MAC_H_
-#define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DISCOVERY_MANAGER_MAC_H_
-
-#if defined(OS_IOS)
-#import <CoreBluetooth/CoreBluetooth.h>
-#else
-#import <IOBluetooth/IOBluetooth.h>
-#endif
-
-#include "base/mac/scoped_nsobject.h"
-#include "base/mac/sdk_forward_declarations.h"
-#include "device/bluetooth/bluetooth_device.h"
-
-@class BluetoothLowEnergyDiscoveryManagerMacBridge;
-
-namespace device {
-
-class BluetoothLowEnergyDeviceMac;
-class BluetoothLowEnergyDiscoveryManagerMacDelegate;
-
-// This class will scan for Bluetooth LE device on Mac.
-class BluetoothLowEnergyDiscoveryManagerMac {
- public:
-  // Interface for being notified of events during a device discovery session.
-  class Observer {
-   public:
-    // Called when |this| manager has found a device.
-    virtual void DeviceFound(BluetoothLowEnergyDeviceMac* device) = 0;
-
-    // Called when |this| manager has updated on a device.
-    virtual void DeviceUpdated(BluetoothLowEnergyDeviceMac* device) = 0;
-
-   protected:
-    virtual ~Observer() {}
-  };
-
-  virtual ~BluetoothLowEnergyDiscoveryManagerMac();
-
-  // Returns true, if discovery is currently being performed.
-  virtual bool IsDiscovering() const;
-
-  // Initiates a discovery session.
-  // BluetoothLowEnergyDeviceMac objects discovered within a previous
-  // discovery session will be invalid.
-  virtual void StartDiscovery(BluetoothDevice::UUIDList services_uuids);
-
-  // Stops a discovery session.
-  virtual void StopDiscovery();
-
-  // Returns a new BluetoothLowEnergyDiscoveryManagerMac.
-  static BluetoothLowEnergyDiscoveryManagerMac* Create(Observer* observer);
-
- protected:
-  // Called when a discovery or an update of a BLE device occurred.
-  virtual void DiscoveredPeripheral(CBPeripheral* peripheral,
-                                    NSDictionary* advertisementData,
-                                    int rssi);
-
-  // The device discovery can really be started when Bluetooth is powered on.
-  // The method TryStartDiscovery() is called when it's a good time to try to
-  // start the BLE device discovery. It will check if the discovery session has
-  // been started and if the Bluetooth is powered and then really start the
-  // CoreBluetooth BLE device discovery.
-  virtual void TryStartDiscovery();
-
- private:
-  explicit BluetoothLowEnergyDiscoveryManagerMac(Observer* observer);
-  void ClearDevices();
-
-  friend class BluetoothLowEnergyDiscoveryManagerMacDelegate;
-
-  // Observer interested in notifications from us.
-  Observer* observer_;
-
-  // Underlaying CoreBluetooth central manager.
-  base::scoped_nsobject<CBCentralManager> manager_;
-
-  // Discovery has been initiated by calling the API StartDiscovery().
-  bool discovering_;
-
-  // A discovery has been initiated but has not started yet because it's
-  // waiting for Bluetooth to turn on.
-  bool pending_;
-
-  // Delegate of the central manager.
-  base::scoped_nsobject<BluetoothLowEnergyDiscoveryManagerMacBridge> bridge_;
-
-  // Map of the device identifiers to the discovered device.
-  std::map<const std::string, BluetoothLowEnergyDeviceMac*> devices_;
-
-  // List of service UUIDs to scan.
-  BluetoothDevice::UUIDList services_uuids_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyDiscoveryManagerMac);
-};
-
-}  // namespace device
-
-#endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DISCOVERY_MANAGER_MAC_H_
diff --git a/device/bluetooth/bluetooth_low_energy_discovery_manager_mac.mm b/device/bluetooth/bluetooth_low_energy_discovery_manager_mac.mm
deleted file mode 100644
index 1d7e409..0000000
--- a/device/bluetooth/bluetooth_low_energy_discovery_manager_mac.mm
+++ /dev/null
@@ -1,180 +0,0 @@
-// Copyright 2015 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 "device/bluetooth/bluetooth_low_energy_discovery_manager_mac.h"
-
-#include "base/mac/mac_util.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/sys_string_conversions.h"
-#include "device/bluetooth/bluetooth_low_energy_device_mac.h"
-
-using device::BluetoothLowEnergyDeviceMac;
-using device::BluetoothLowEnergyDiscoveryManagerMac;
-using device::BluetoothLowEnergyDiscoveryManagerMacDelegate;
-
-namespace device {
-
-// This class is a helper to call some protected methods in
-// BluetoothLowEnergyDiscoveryManagerMac.
-class BluetoothLowEnergyDiscoveryManagerMacDelegate {
- public:
-  BluetoothLowEnergyDiscoveryManagerMacDelegate(
-      BluetoothLowEnergyDiscoveryManagerMac* manager)
-      : manager_(manager) {}
-
-  virtual ~BluetoothLowEnergyDiscoveryManagerMacDelegate() {}
-
-  virtual void DiscoveredPeripheral(CBPeripheral* peripheral,
-                                    NSDictionary* advertisementData,
-                                    int rssi) {
-    manager_->DiscoveredPeripheral(peripheral, advertisementData, rssi);
-  }
-
-  virtual void TryStartDiscovery() { manager_->TryStartDiscovery(); }
-
- private:
-  BluetoothLowEnergyDiscoveryManagerMac* manager_;
-};
-
-}  // namespace device
-
-// This class will serve as the Objective-C delegate of CBCentralManager.
-@interface BluetoothLowEnergyDiscoveryManagerMacBridge
-    : NSObject<CBCentralManagerDelegate>
-
-- (id)initWithManager:(BluetoothLowEnergyDiscoveryManagerMac*)manager;
-
-@end
-
-@implementation BluetoothLowEnergyDiscoveryManagerMacBridge {
-  BluetoothLowEnergyDiscoveryManagerMac* manager_;
-  scoped_ptr<BluetoothLowEnergyDiscoveryManagerMacDelegate> delegate_;
-}
-
-- (id)initWithManager:(BluetoothLowEnergyDiscoveryManagerMac*)manager {
-  if ((self = [super init])) {
-    manager_ = manager;
-    delegate_.reset(
-        new BluetoothLowEnergyDiscoveryManagerMacDelegate(manager_));
-  }
-  return self;
-}
-
-- (void)centralManager:(CBCentralManager*)central
-    didDiscoverPeripheral:(CBPeripheral*)peripheral
-        advertisementData:(NSDictionary*)advertisementData
-                     RSSI:(NSNumber*)RSSI {
-  // Notifies the discovery of a device.
-  delegate_->DiscoveredPeripheral(peripheral, advertisementData,
-                                  [RSSI intValue]);
-}
-
-- (void)centralManagerDidUpdateState:(CBCentralManager*)central {
-  // Notifies when the powered state of the central manager changed.
-  delegate_->TryStartDiscovery();
-}
-
-@end
-
-BluetoothLowEnergyDiscoveryManagerMac::
-    ~BluetoothLowEnergyDiscoveryManagerMac() {
-  ClearDevices();
-}
-
-bool BluetoothLowEnergyDiscoveryManagerMac::IsDiscovering() const {
-  return discovering_;
-}
-
-void BluetoothLowEnergyDiscoveryManagerMac::StartDiscovery(
-    BluetoothDevice::UUIDList services_uuids) {
-  ClearDevices();
-  discovering_ = true;
-  pending_ = true;
-  services_uuids_ = services_uuids;
-  TryStartDiscovery();
-}
-
-void BluetoothLowEnergyDiscoveryManagerMac::TryStartDiscovery() {
-  if (!discovering_) {
-    return;
-  }
-
-  if (!pending_) {
-    return;
-  }
-
-  // Can only start if the bluetooth power is turned on.
-  if ([manager_ state] != CBCentralManagerStatePoweredOn) {
-    return;
-  }
-
-  // Converts the services UUIDs to a CoreBluetooth data structure.
-  NSMutableArray* services = nil;
-  if (!services_uuids_.empty()) {
-    services = [NSMutableArray array];
-    for (auto& service_uuid : services_uuids_) {
-      NSString* uuidString =
-          base::SysUTF8ToNSString(service_uuid.canonical_value().c_str());
-      CBUUID* uuid = [CBUUID UUIDWithString:uuidString];
-      [services addObject:uuid];
-    }
-  }
-
-  [manager_ scanForPeripheralsWithServices:services options:nil];
-  pending_ = false;
-}
-
-void BluetoothLowEnergyDiscoveryManagerMac::StopDiscovery() {
-  if (discovering_ && !pending_) {
-    [manager_ stopScan];
-  }
-  discovering_ = false;
-}
-
-void BluetoothLowEnergyDiscoveryManagerMac::DiscoveredPeripheral(
-    CBPeripheral* peripheral,
-    NSDictionary* advertisementData,
-    int rssi) {
-  // Look for existing device.
-  auto iter = devices_.find(
-      BluetoothLowEnergyDeviceMac::GetPeripheralIdentifier(peripheral));
-  if (iter == devices_.end()) {
-    // A device has been added.
-    BluetoothLowEnergyDeviceMac* device =
-        new BluetoothLowEnergyDeviceMac(peripheral, advertisementData, rssi);
-    devices_.insert(devices_.begin(),
-                    std::make_pair(device->GetIdentifier(), device));
-    observer_->DeviceFound(device);
-    return;
-  }
-
-  // A device has an update.
-  BluetoothLowEnergyDeviceMac* old_device = iter->second;
-  old_device->Update(peripheral, advertisementData, rssi);
-  observer_->DeviceUpdated(old_device);
-}
-
-BluetoothLowEnergyDiscoveryManagerMac*
-BluetoothLowEnergyDiscoveryManagerMac::Create(Observer* observer) {
-  return new BluetoothLowEnergyDiscoveryManagerMac(observer);
-}
-
-BluetoothLowEnergyDiscoveryManagerMac::BluetoothLowEnergyDiscoveryManagerMac(
-    Observer* observer)
-    : observer_(observer) {
-  bridge_.reset([[BluetoothLowEnergyDiscoveryManagerMacBridge alloc]
-      initWithManager:this]);
-  // Since CoreBluetooth is only available on OS X 10.7 or later, we
-  // instantiate CBCentralManager only for OS X >= 10.7.
-  if (base::mac::IsOSLionOrLater()) {
-    manager_.reset(
-        [[CBCentralManager alloc] initWithDelegate:bridge_
-                                             queue:dispatch_get_main_queue()]);
-  }
-  discovering_ = false;
-}
-
-void BluetoothLowEnergyDiscoveryManagerMac::ClearDevices() {
-  STLDeleteValues(&devices_);
-}