DeviceSettingsService: Fix spelling and grammar inside comment.

chrome/browser/chromeos/settings/device_settings_service.cc

Index: chrome/browser/chromeos/settings/device_settings_service.cc
diff --git a/chrome/browser/chromeos/settings/device_settings_service.cc b/chrome/browser/chromeos/settings/device_settings_service.cc
index 6cd9a2f79f3f7d4ec4e9fba8896c30725357aef4..f60d41f1ed370b2bb7453a46fad19bc415729f46 100644
--- a/chrome/browser/chromeos/settings/device_settings_service.cc
+++ b/chrome/browser/chromeos/settings/device_settings_service.cc
@@ -351,7 +351,7 @@ void DeviceSettingsService::HandleCompletedOperation(
     load_retries_left_ = kMaxLoadRetries;
   } else if (status != STORE_KEY_UNAVAILABLE) {
     LOG(ERROR) << "Session manager operation failed: " << status;
-    // Validation errors can be temprary if the rtc has went on holiday for a
+    // Validation errors can be temporary if the rtc has gone on holiday for a
     // short while. So we will retry such loads for up to 10 minutes.
     if (status == STORE_TEMP_VALIDATION_ERROR) {
       if (load_retries_left_ > 0) {