Replace base::GUID uses with base::Uuid (175/N)

`base::GUID` has been renamed, and is set to be  removed. This CL is
part of a batch of changes replacing all uses of `base::GUID`, with
`base::Uuid`, and its associated counterparts.

Additionally, deprecated functions in `base/uuid.h` are also also having
their uses removed wherever they occur.

Changes for path: /chrome/browser/ui/ash/holding_space

This CL was uploaded by git cl split.

R=dmblack@google.com

Bug: 1428566
Change-Id: I4978d7f84a640d3a055626a3133936cca30ce9fe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4454575
Commit-Queue: David Black <dmblack@google.com>
Reviewed-by: David Black <dmblack@google.com>
Auto-Submit: Claudio DeSouza <cdesouza@igalia.com>
Cr-Commit-Position: refs/heads/main@{#1133288}
diff --git a/chrome/browser/ui/ash/holding_space/holding_space_keyed_service_browsertest.cc b/chrome/browser/ui/ash/holding_space/holding_space_keyed_service_browsertest.cc
index df0ef783..ab7d861 100644
--- a/chrome/browser/ui/ash/holding_space/holding_space_keyed_service_browsertest.cc
+++ b/chrome/browser/ui/ash/holding_space/holding_space_keyed_service_browsertest.cc
@@ -821,7 +821,7 @@
 
   // Create a `crosapi::mojom::DownloadItem`.
   auto download = crosapi::mojom::DownloadItem::New();
-  download->guid = base::GUID::GenerateRandomV4().AsLowercaseString();
+  download->guid = base::Uuid::GenerateRandomV4().AsLowercaseString();
   download->received_bytes = 0;
   download->has_received_bytes = true;
   download->total_bytes = -1;
diff --git a/chrome/browser/ui/ash/holding_space/holding_space_ui_browsertest.cc b/chrome/browser/ui/ash/holding_space/holding_space_ui_browsertest.cc
index c067186..2fca724 100644
--- a/chrome/browser/ui/ash/holding_space/holding_space_ui_browsertest.cc
+++ b/chrome/browser/ui/ash/holding_space/holding_space_ui_browsertest.cc
@@ -32,7 +32,6 @@
 #include "base/files/file_util.h"
 #include "base/functional/bind.h"
 #include "base/functional/callback_helpers.h"
-#include "base/guid.h"
 #include "base/run_loop.h"
 #include "base/scoped_observation.h"
 #include "base/task/sequenced_task_runner.h"
@@ -40,6 +39,7 @@
 #include "base/test/bind.h"
 #include "base/test/scoped_feature_list.h"
 #include "base/test/scoped_locale.h"
+#include "base/uuid.h"
 #include "build/build_config.h"
 #include "chrome/browser/ash/crosapi/crosapi_ash.h"
 #include "chrome/browser/ash/crosapi/crosapi_manager.h"
@@ -1795,7 +1795,7 @@
     // Mock `download::DownloadItem::GetGuid()`.
     ON_CALL(*ash_download_item, GetGuid)
         .WillByDefault(testing::ReturnRefOfCopy(
-            base::GUID::GenerateRandomV4().AsLowercaseString()));
+            base::Uuid::GenerateRandomV4().AsLowercaseString()));
 
     // Mock `download::DownloadItem::GetId()`.
     ON_CALL(*ash_download_item, GetId).WillByDefault(testing::Invoke([]() {
@@ -1942,7 +1942,7 @@
     auto lacros_download_item = crosapi::mojom::DownloadItem::New();
 
     lacros_download_item->guid =
-        base::GUID::GenerateRandomV4().AsLowercaseString();
+        base::Uuid::GenerateRandomV4().AsLowercaseString();
     lacros_download_item->state = state;
     lacros_download_item->full_path = file_path;
     lacros_download_item->target_file_path = target_file_path;