Convert a bunch of easy AppendSwitchWithValue to *ASCII.

chrome/browser/extensions/extension_browsertest.cc

Index: chrome/browser/extensions/extension_browsertest.cc
diff --git a/chrome/browser/extensions/extension_browsertest.cc b/chrome/browser/extensions/extension_browsertest.cc
index 71c9706a7e7b6436fcf7a24ecb636fad76ed3505..dedcf8f6d2d88bc60a65b1707da5a6a5387328eb 100644
--- a/chrome/browser/extensions/extension_browsertest.cc
+++ b/chrome/browser/extensions/extension_browsertest.cc
@@ -53,9 +53,9 @@ void ExtensionBrowserTest::SetUpCommandLine(CommandLine* command_line) {
   // This makes sure that we create the Default profile first, with no
   // ExtensionsService and then the real profile with one, as we do when
   // running on chromeos.
-  command_line->AppendSwitchWithValue(
-      switches::kLoginUser, "TestUser@gmail.com");
-  command_line->AppendSwitchWithValue(switches::kLoginProfile, "user");
+  command_line->AppendSwitchASCII(switches::kLoginUser,
+                                  "TestUser@gmail.com");
+  command_line->AppendSwitchASCII(switches::kLoginProfile, "user");
   command_line->AppendSwitch(switches::kNoFirstRun);
 #endif
 }