Remove unnecessary DevicInfoImpl class.

PiperOrigin-RevId: 892102193

internal/platform/implementation/BUILD

@@ -54,6 +54,7 @@ cc_library(
     ],
     deps = [
         "//internal/base:file_path",
+        "//internal/base:files",
         "//internal/crypto_cros",
         "//internal/platform:base",
         "//internal/platform:mac_address",
@@ -151,6 +152,7 @@ cc_library(
         "//location/nearby/analytics/cpp:__subpackages__",
         "//location/nearby/apps/better_together/plugins/preferences_native:__subpackages__",
         "//location/nearby/cpp/sharing:__subpackages__",
+        "//sharing/internal/impl/common:__subpackages__",
     ],
     deps = [
         ":comm",

internal/platform/implementation/device_info.h

@@ -15,12 +15,14 @@
 #ifndef PLATFORM_API_DEVICE_INFO_H_
 #define PLATFORM_API_DEVICE_INFO_H_
 
+#include <cstddef>
 #include <functional>
 #include <optional>
 #include <string>
 
 #include "absl/strings/string_view.h"
 #include "internal/base/file_path.h"
+#include "internal/base/files.h"
 
 namespace nearby {
 namespace api {
@@ -29,6 +31,23 @@ class DeviceInfo {
  public:
   enum class ScreenStatus { kUndetermined = 0, kLocked, kUnlocked };
   enum class DeviceType { kUnknown = 0, kPhone, kTablet, kLaptop };
+  template <typename Sink>
+  void AbslStringify(Sink& sink, DeviceType device_type) {
+    switch (device_type) {
+      case DeviceType::kUnknown:
+        sink.Append("Unknown");
+        return;
+      case DeviceType::kPhone:
+        sink.Append("Phone");
+        return;
+      case DeviceType::kTablet:
+        sink.Append("Tablet");
+        return;
+      case DeviceType::kLaptop:
+        sink.Append("PC");
+        return;
+    }
+  }
   enum class OsType {
     kUnknown = 0,
     kAndroid,
@@ -51,6 +70,11 @@ class DeviceInfo {
   virtual FilePath GetTemporaryPath() const = 0;
   virtual FilePath GetLogPath() const = 0;
 
+  virtual std::optional<size_t> GetAvailableDiskSpaceInBytes(
+      const FilePath& path) const {
+        return Files::GetAvailableDiskSpaceInBytes(path);
+  };
+
   // Monitor screen status
   virtual bool IsScreenLocked() const = 0;
   virtual void RegisterScreenLockedListener(