Eliminate GoogleURLTracker's dependence on //chrome-level switches

components/google/core/browser/google_switches.cc

Index: components/google/core/browser/google_switches.cc
diff --git a/components/os_crypt/os_crypt_switches.cc b/components/google/core/browser/google_switches.cc
similarity index 51%
copy from components/os_crypt/os_crypt_switches.cc
copy to components/google/core/browser/google_switches.cc
index 6dffb39489f5d9d0c7a06e409b8e11ce78990343..2daf83673a5092f914e50bf34bff480ceb6d5812 100644
--- a/components/os_crypt/os_crypt_switches.cc
+++ b/components/google/core/browser/google_switches.cc
@@ -2,16 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/os_crypt/os_crypt_switches.h"
+#include "components/google/core/browser/google_switches.h"
 
-namespace os_crypt {
 namespace switches {
 
-#if defined(OS_MACOSX)
-
-const char kUseMockKeychain[] = "use-mock-keychain";
-
-#endif  // OS_MACOSX
+// Specifies an alternate URL to use for speaking to Google. Useful for testing.
+const char kGoogleBaseURL[]                 = "google-base-url";
 
 }  // namespace switches
-}  // namespace os_crypt