Adding a LaunchApp command to Chromedriver

chrome/test/chromedriver/chrome/automation_extension.h

Index: chrome/test/chromedriver/chrome/automation_extension.h
diff --git a/chrome/test/chromedriver/chrome/automation_extension.h b/chrome/test/chromedriver/chrome/automation_extension.h
index c82af9f7f545eaafdff8704ec200629e28357790..c431e5a488251bb52ef023d53ead48bb7534a5b2 100644
--- a/chrome/test/chromedriver/chrome/automation_extension.h
+++ b/chrome/test/chromedriver/chrome/automation_extension.h
@@ -27,6 +27,9 @@ class AutomationExtension {
   // Returns |kForbidden| for security restricted pages.
   Status CaptureScreenshot(std::string* screenshot);
 
+  // Launches an app with the specified id.
+  Status LaunchApp(std::string id);
+
   // Gets the position of the current window.
   Status GetWindowPosition(int* x, int* y);