Fix minor issues in ChromeDriver.

chrome/test/webdriver/automation.h

Index: chrome/test/webdriver/automation.h
diff --git a/chrome/test/webdriver/automation.h b/chrome/test/webdriver/automation.h
index 37d46fd645d82e0540bb3728a450ba36fcca684b..417044e0fa4cf9f5ad4d8267636d3ce5b74ca734 100644
--- a/chrome/test/webdriver/automation.h
+++ b/chrome/test/webdriver/automation.h
@@ -147,6 +147,14 @@ class Automation {
   AutomationProxy* automation() const;
   Error* GetIndicesForTab(int tab_id, int* browser_index, int* tab_index);
   Error* CreateChromeError(const std::string& message);
+  Error* CompareVersion(int client_build_no,
+                        int client_patch_no,
+                        bool* is_newer_or_equal);
+  Error* CheckVersion(int client_build_no,
+                      int client_patch_no,
+                      const std::string& error_msg);
+  Error* CheckAlertsSupported();
+  Error* CheckAdvancedInteractionsSupported();
 
   scoped_ptr<ProxyLauncher> launcher_;