PlatformAppApiTest class should not enable experimental APIs by default

chrome/browser/extensions/extension_apitest.h

Index: chrome/browser/extensions/extension_apitest.h
diff --git a/chrome/browser/extensions/extension_apitest.h b/chrome/browser/extensions/extension_apitest.h
index a92345597ad854058fefc2c10d951bc743f3af47..575f09f3f21e6f36342f13c31e54321b3139ed49 100644
--- a/chrome/browser/extensions/extension_apitest.h
+++ b/chrome/browser/extensions/extension_apitest.h
@@ -187,14 +187,4 @@ class ExtensionApiTest : public ExtensionBrowserTest {
   scoped_ptr<content::TestWebSocketServer> websocket_server_;
 };
 
-// PlatformAppApiTest sets up the command-line flags necessary for platform
-// apps (if any).
-class PlatformAppApiTest : public ExtensionApiTest {
- public:
-  PlatformAppApiTest();
-  virtual ~PlatformAppApiTest();
-
-  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE;
-};
-
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_APITEST_H_