Add macOS as an OS type

PiperOrigin-RevId: 561959449

internal/platform/implementation/BUILD

@@ -120,6 +120,7 @@ cc_library(
         "//internal/network:__subpackages__",
         "//internal/platform:__pkg__",
         "//internal/platform/implementation:__subpackages__",
+        "//location/nearby/analytics/cpp:__subpackages__",
         "//location/nearby/cpp/sharing:__subpackages__",
         "//third_party/nearby/sharing:__subpackages__",
     ],

internal/platform/implementation/apple/device_info.mm

@@ -68,7 +68,15 @@ api::DeviceInfo::DeviceType DeviceInfo::GetDeviceType() const {
 #endif
 }
 
-api::DeviceInfo::OsType DeviceInfo::GetOsType() const { return api::DeviceInfo::OsType::kIos; }
+api::DeviceInfo::OsType DeviceInfo::GetOsType() const {
+#if TARGET_OS_OSX
+  return api::DeviceInfo::OsType::kMacOS;
+#elif TARGET_OS_IPHONE
+  return api::DeviceInfo::OsType::kIos;
+#else
+  return api::DeviceInfo::OsType::kUnknown;
+#endif
+}
 
 std::optional<std::u16string> DeviceInfo::GetFullName() const { return std::nullopt; }
 std::optional<std::u16string> DeviceInfo::GetGivenName() const { return std::nullopt; }

internal/platform/implementation/device_info.h

@@ -29,7 +29,14 @@ class DeviceInfo {
  public:
   enum class ScreenStatus { kUndetermined = 0, kLocked, kUnlocked };
   enum class DeviceType { kUnknown = 0, kPhone, kTablet, kLaptop };
-  enum class OsType { kUnknown = 0, kAndroid, kChromeOs, kIos, kWindows };
+  enum class OsType {
+    kUnknown = 0,
+    kAndroid,
+    kChromeOs,
+    kIos,
+    kWindows,
+    kMacOS
+  };
 
   virtual ~DeviceInfo() = default;