+// Waits until |theme| is pending for install on |profile|.
+// Returns false in case of timeout.
+bool AwaitThemeIsPendingInstall(Profile* profile, const std::string& theme);
+
+// Waits until |profile| is using the system theme.
+// Returns false in case of timeout.
+bool AwaitUsingSystemTheme(Profile* profile);
+
+// Waits until |profile| is using the default theme.
+// Returns false in case of timeout.
+bool AwaitUsingDefaultTheme(Profile* profile);
+