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 de7abb9ffc9a1a6319ba4e88cdb7bb5170edfb4a..143f9fd2f2e10c505f07ac731abf52fa09367c82 100644
--- a/chrome/browser/extensions/extension_apitest.h
+++ b/chrome/browser/extensions/extension_apitest.h
@@ -183,14 +183,4 @@ class ExtensionApiTest : public ExtensionBrowserTest {
   scoped_ptr<net::TestServer> 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_