Exclude ProtectorService code from Android build.

chrome/browser/protector/protector_service.cc

Index: chrome/browser/protector/protector_service.cc
diff --git a/chrome/browser/protector/protector_service.cc b/chrome/browser/protector/protector_service.cc
index b35c294130a5bbcfdedbdc884a816a85c6c2f508..ce8b20a85cb2e331655130d13bba30920718fad4 100644
--- a/chrome/browser/protector/protector_service.cc
+++ b/chrome/browser/protector/protector_service.cc
@@ -4,19 +4,14 @@
 
 #include "chrome/browser/protector/protector_service.h"
 
-#include "base/command_line.h"
 #include "base/logging.h"
-#include "chrome/browser/browser_process.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/protector/settings_change_global_error.h"
-#include "chrome/browser/protector/keys.h"
 #include "chrome/browser/protector/protected_prefs_watcher.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/notification_source.h"
-#include "crypto/hmac.h"
 
 namespace protector {
 
@@ -151,34 +146,4 @@ bool ProtectorService::MatchItemByError::operator()(
   return other_ == item.error.get();
 }
 
-
-std::string SignSetting(const std::string& value) {
-  crypto::HMAC hmac(crypto::HMAC::SHA256);
-  if (!hmac.Init(kProtectorSigningKey)) {
-    LOG(WARNING) << "Failed to initialize HMAC algorithm for signing";
-    return std::string();
-  }
-
-  std::vector<unsigned char> digest(hmac.DigestLength());
-  if (!hmac.Sign(value, &digest[0], digest.size())) {
-    LOG(WARNING) << "Failed to sign setting";
-    return std::string();
-  }
-
-  return std::string(&digest[0], &digest[0] + digest.size());
-}
-
-bool IsSettingValid(const std::string& value, const std::string& signature) {
-  crypto::HMAC hmac(crypto::HMAC::SHA256);
-  if (!hmac.Init(kProtectorSigningKey)) {
-    LOG(WARNING) << "Failed to initialize HMAC algorithm for verification.";
-    return false;
-  }
-  return hmac.Verify(value, signature);
-}
-
-bool IsEnabled() {
-  return !CommandLine::ForCurrentProcess()->HasSwitch(switches::kNoProtector);
-}
-
 }  // namespace protector