Update uses of UTF conversions in chrome_frame/, chromeos/, components/ to use the base:: namespace.

chrome_frame/test/util_unittests.cc

Index: chrome_frame/test/util_unittests.cc
diff --git a/chrome_frame/test/util_unittests.cc b/chrome_frame/test/util_unittests.cc
index 74e41f9c4f51e5ef0052b7a162d9218cf9d07137..22ceed36f15622dbb616b6614c82689df36c8158 100644
--- a/chrome_frame/test/util_unittests.cc
+++ b/chrome_frame/test/util_unittests.cc
@@ -239,11 +239,11 @@ class MockNavigationConstraints : public NavigationConstraints {
 // Matcher which returns true if the URL passed in starts with the prefix
 // specified.
 MATCHER_P(UrlPathStartsWith, url_prefix, "url starts with prefix") {
-  return StartsWith(UTF8ToWide(arg.spec()), url_prefix, false);
+  return StartsWith(base::UTF8ToWide(arg.spec()), url_prefix, false);
 }
 
 ACTION_P3(HandleZone, mock, url_prefix, zone) {
-  if (StartsWith(UTF8ToWide(arg0.spec()), url_prefix, false))
+  if (StartsWith(base::UTF8ToWide(arg0.spec()), url_prefix, false))
     return zone != URLZONE_UNTRUSTED;
   return false;
 }