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

chrome_frame/test/perf/chrome_frame_perftest.cc

Index: chrome_frame/test/perf/chrome_frame_perftest.cc
diff --git a/chrome_frame/test/perf/chrome_frame_perftest.cc b/chrome_frame/test/perf/chrome_frame_perftest.cc
index 80cef1073f1e5621d82958d3aca394fb319c099a..a82c827c1f4c8a4aef910dfa54bc2f89e55e6693 100644
--- a/chrome_frame/test/perf/chrome_frame_perftest.cc
+++ b/chrome_frame/test/perf/chrome_frame_perftest.cc
@@ -180,7 +180,8 @@ class ChromeFrameActiveXContainer
   void Navigate(const char* url) {
     BeforeNavigateImpl(url);
 
-    HRESULT hr = tab_->put_src(base::win::ScopedBstr(UTF8ToWide(url).c_str()));
+    HRESULT hr =
+        tab_->put_src(base::win::ScopedBstr(base::UTF8ToWide(url).c_str()));
     DCHECK(hr == S_OK) << "Chrome frame NavigateToURL(" << url
                        << base::StringPrintf(L") failed 0x%08X", hr);
   }