Move some uses of PathService into the base namespace.

BUG=838398

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;master.tryserver.chromium.android:android_cronet_tester;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I8df9263f159af6a1152b46882a80bec0c52a822d
Reviewed-on: https://chromium-review.googlesource.com/1036566
Reviewed-by: Doug Steedman <[email protected]>
Reviewed-by: Cait Phillips <[email protected]>
Commit-Queue: Avi Drissman <[email protected]>
Cr-Commit-Position: refs/heads/master@{#555487}
diff --git a/components/update_client/crx_downloader_unittest.cc b/components/update_client/crx_downloader_unittest.cc
index 0c9fdd4..cb5c808 100644
--- a/components/update_client/crx_downloader_unittest.cc
+++ b/components/update_client/crx_downloader_unittest.cc
@@ -39,7 +39,7 @@
 
 base::FilePath MakeTestFilePath(const char* file) {
   base::FilePath path;
-  PathService::Get(base::DIR_SOURCE_ROOT, &path);
+  base::PathService::Get(base::DIR_SOURCE_ROOT, &path);
   return path.AppendASCII("components/test/data/update_client")
       .AppendASCII(file);
 }