Move EmptyString, kWhitespace and the BOM to base.

This moves EmptyString*, kWhitespace*, and the UTF 8 Byte Order Marker to the base:: namespace.

Many of them just got changed to a default-constructed string when a reference was not required.

I qualified some string16s with base:: when I was changing adjacent code. I need to do another pass to finish these up.

BUG=
TBR=sky@chromium.org

Review URL: https://codereview.chromium.org/89243003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238032 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 2 insertions, 2 deletions

diff --git a/chromeos/disks/disk_mount_manager.cc b/chromeos/disks/disk_mount_manager.cc
index 9580e74..a781107 100644
--- a/chromeos/disks/disk_mount_manager.cc
+++ b/chromeos/disks/disk_mount_manager.cc
@@ -588,7 +588,7 @@ class DiskMountManagerImpl : public DiskMountManager {
   // Finds system path prefix from |system_path|.
   const std::string& FindSystemPathPrefix(const std::string& system_path) {
     if (system_path.empty())
-      return EmptyString();
+      return base::EmptyString();
     for (SystemPathPrefixSet::const_iterator it = system_path_prefixes_.begin();
          it != system_path_prefixes_.end();
          ++it) {
@@ -596,7 +596,7 @@ class DiskMountManagerImpl : public DiskMountManager {
       if (StartsWithASCII(system_path, prefix, true))
         return prefix;
     }
-    return EmptyString();
+    return base::EmptyString();
   }
 
   // Mount event change observers.