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

chrome_frame/test/chrome_frame_automation_mock.h

Index: chrome_frame/test/chrome_frame_automation_mock.h
diff --git a/chrome_frame/test/chrome_frame_automation_mock.h b/chrome_frame/test/chrome_frame_automation_mock.h
index 0b383e478d5936b1425075d65e5734642f524ed6..568a13af9cd67e48434d216a814d396d685fb1bc 100644
--- a/chrome_frame/test/chrome_frame_automation_mock.h
+++ b/chrome_frame/test/chrome_frame_automation_mock.h
@@ -36,8 +36,8 @@ class AutomationMockDelegate
 
     // Endeavour to only kill off Chrome Frame derived Chrome processes.
     base::KillAllNamedProcessesWithArgument(
-        UTF8ToWide(chrome_frame_test::kChromeImageName),
-        UTF8ToWide(switches::kChromeFrame));
+        base::UTF8ToWide(chrome_frame_test::kChromeImageName),
+        base::UTF8ToWide(switches::kChromeFrame));
 
     mock_server_.ExpectAndServeAnyRequests(CFInvocation(CFInvocation::NONE));
 
@@ -83,11 +83,12 @@ class AutomationMockDelegate
         FILE_PATH_LITERAL("chrome_frame")).Append(
             FILE_PATH_LITERAL("test")).Append(
                 FILE_PATH_LITERAL("data")).Append(file).value());
-    return Navigate(WideToUTF8(file_url));
+    return Navigate(base::WideToUTF8(file_url));
   }
 
   bool NavigateRelative(const std::wstring& relative_url) {
-    return Navigate(WideToUTF8(mock_server_.Resolve(relative_url.c_str())));
+    return Navigate(base::WideToUTF8(
+        mock_server_.Resolve(relative_url.c_str())));
   }
 
   virtual void OnAutomationServerReady() {