sync: add more integration tests for wifi_sync

chrome/browser/sync/test/integration/wifi_credentials_helper.h

Index: chrome/browser/sync/test/integration/wifi_credentials_helper.h
diff --git a/chrome/browser/sync/test/integration/wifi_credentials_helper.h b/chrome/browser/sync/test/integration/wifi_credentials_helper.h
index 31cc156851dbe3d4b245d6992db361601e42c481..7789e51814b782938824c9077f3840a537f8165f 100644
--- a/chrome/browser/sync/test/integration/wifi_credentials_helper.h
+++ b/chrome/browser/sync/test/integration/wifi_credentials_helper.h
@@ -5,11 +5,29 @@
 #ifndef CHROME_BROWSER_SYNC_TEST_INTEGRATION_WIFI_CREDENTIALS_HELPER_H_
 #define CHROME_BROWSER_SYNC_TEST_INTEGRATION_WIFI_CREDENTIALS_HELPER_H_
 
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "components/wifi_sync/wifi_security_class.h"
+
+namespace wifi_sync {
+class WifiCredential;
+}
+
 // Functions needed by multiple wifi_credentials integration
 // tests. This module is platfrom-agnostic, and calls out to
 // platform-specific code as needed.
 namespace wifi_credentials_helper {
 
+// Performs common setup steps, such as configuring factories. Should
+// be called before SyncTest::SetUp.
+void SetUp();
+
+// Initializes the clients. This includes associating their Chrome
+// Profiles with platform-specific networking state. Should be called
+// before adding/removing/modifying WiFi credentials.
+bool SetupClients() WARN_UNUSED_RESULT;
+
 // Checks if the verifier has any items in it. Returns true iff the
 // verifier has no items.
 bool VerifierIsEmpty();
@@ -21,6 +39,18 @@ bool ProfileMatchesVerifier(int profile_index);
 // Returns true iff all BrowserContexts match with the verifier.
 bool AllProfilesMatch();
 
+// Returns a new WifiCredential constructed from the given parameters.
+wifi_sync::WifiCredential MakeWifiCredential(
+    const std::string& ssid,
+    wifi_sync::WifiSecurityClass security_class,
+    const std::string& passphrase);
+
+// Adds a WiFi credential to the service at index |profile_index|,
+// and the verifier (if the SyncTest uses a verifier).
+void AddWifiCredential(int profile_index,
+                       const std::string& sync_id,
+                       const wifi_sync::WifiCredential& credential);
+
 }  // namespace wifi_credentials_helper
 
 #endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_WIFI_CREDENTIALS_HELPER_H_