Move RemoveChars, ReplaceChars, TrimString, and TruncateUTF8ToByteSize to base namespace.

chrome/browser/download/download_path_reservation_tracker.cc

Index: chrome/browser/download/download_path_reservation_tracker.cc
diff --git a/chrome/browser/download/download_path_reservation_tracker.cc b/chrome/browser/download/download_path_reservation_tracker.cc
index 18ef80090df78813090a766319d5a74230fb9540..a9241643dd70119ab0cfad98f13a1fc948d467b9 100644
--- a/chrome/browser/download/download_path_reservation_tracker.cc
+++ b/chrome/browser/download/download_path_reservation_tracker.cc
@@ -125,7 +125,7 @@ bool TruncateFileName(base::FilePath* path, size_t limit) {
   base::FilePath::StringType truncated;
 #if defined(OS_CHROMEOS) || defined(OS_MACOSX)
   // UTF-8.
-  TruncateUTF8ToByteSize(name, limit, &truncated);
+  base::TruncateUTF8ToByteSize(name, limit, &truncated);
 #elif defined(OS_WIN)
   // UTF-16.
   DCHECK(name.size() > limit);