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

chrome_frame/test/ie_event_sink.cc

Index: chrome_frame/test/ie_event_sink.cc
diff --git a/chrome_frame/test/ie_event_sink.cc b/chrome_frame/test/ie_event_sink.cc
index 9062a9cbbe87469b4b957172feff24375b1c030e..03977526ce9fc0351ef5d0dac452491559f28172 100644
--- a/chrome_frame/test/ie_event_sink.cc
+++ b/chrome_frame/test/ie_event_sink.cc
@@ -254,7 +254,7 @@ void IEEventSink::Uninitialize() {
         web_browser2_->get_LocationURL(browser_url.Receive());
         std::wstring browser_url_wstring;
         browser_url_wstring.assign(browser_url, browser_url.Length());
-        std::string browser_url_string = WideToUTF8(browser_url_wstring);
+        std::string browser_url_string = base::WideToUTF8(browser_url_wstring);
         LOG(ERROR) << "OnQuit was not received for browser with url "
                    << browser_url_string;
         web_browser2_->Quit();