diff --git a/sharing/internal/api/mock_system_info.h b/sharing/internal/api/mock_system_info.h
index 6c6a6b98..0f485b94 100644
--- a/sharing/internal/api/mock_system_info.h
+++ b/sharing/internal/api/mock_system_info.h
@@ -20,7 +20,7 @@
 #include <string>
 
 #include "gmock/gmock.h"
-#include "absl/strings/string_view.h"
+#include "internal/base/file_path.h"
 #include "sharing/internal/api/system_info.h"
 
 namespace nearby::sharing::api {
@@ -57,7 +57,7 @@ class MockSystemInfo : public nearby::api::SystemInfo {
   MOCK_METHOD(std::list<DriverInfo>, GetBluetoothDriverInfos, (), (override));
   MOCK_METHOD(std::list<DriverInfo>, GetNetworkDriverInfos, (), (override));
 
-  MOCK_METHOD(void, GetBatteryUsageReport, (absl::string_view save_path),
+  MOCK_METHOD(void, GetBatteryUsageReport, (const FilePath& save_path),
               (override));
 };
 
diff --git a/sharing/internal/api/system_info.h b/sharing/internal/api/system_info.h
index 638f1068..f525bb56 100644
--- a/sharing/internal/api/system_info.h
+++ b/sharing/internal/api/system_info.h
@@ -24,7 +24,7 @@
 #include <sstream>
 #include <string>
 
-#include "absl/strings/string_view.h"
+#include "internal/base/file_path.h"
 
 namespace nearby {
 namespace api {
@@ -78,7 +78,7 @@ class SystemInfo {
   virtual std::list<DriverInfo> GetBluetoothDriverInfos() = 0;
   virtual std::list<DriverInfo> GetNetworkDriverInfos() = 0;
 
-  virtual void GetBatteryUsageReport(absl::string_view save_path) = 0;
+  virtual void GetBatteryUsageReport(const FilePath& save_path) = 0;
 
   // Outputs all system information to a readable string.
   std::string Dump() {