Move Copy* into the base namespace.

chrome/browser/web_applications/web_app_mac.mm

Index: chrome/browser/web_applications/web_app_mac.mm
diff --git a/chrome/browser/web_applications/web_app_mac.mm b/chrome/browser/web_applications/web_app_mac.mm
index 2743f32b2f0e9fa3abeaa139dbb5c66739c99b8b..354eaeca8e52048b131320782ff678bada40ecdc 100644
--- a/chrome/browser/web_applications/web_app_mac.mm
+++ b/chrome/browser/web_applications/web_app_mac.mm
@@ -269,7 +269,7 @@ bool WebAppShortcutCreator::BuildShortcut(
     const base::FilePath& staging_path) const {
   // Update the app's plist and icon in a temp directory. This works around
   // a Finder bug where the app's icon doesn't properly update.
-  if (!file_util::CopyDirectory(GetAppLoaderPath(), staging_path, true)) {
+  if (!base::CopyDirectory(GetAppLoaderPath(), staging_path, true)) {
     LOG(ERROR) << "Copying app to staging path: " << staging_path.value()
                << " failed.";
     return false;
@@ -304,7 +304,7 @@ size_t WebAppShortcutCreator::CreateShortcutsIn(
   for (std::vector<base::FilePath>::const_iterator it = folders.begin();
        it != folders.end(); ++it) {
     const base::FilePath& dst_path = *it;
-    if (!file_util::CopyDirectory(staging_path, dst_path, true)) {
+    if (!base::CopyDirectory(staging_path, dst_path, true)) {
       LOG(ERROR) << "Copying app to dst path: " << dst_path.value()
                  << " failed";
       return succeeded;