Files.app Test: check the cast icon in drive volume

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

Index: chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
diff --git a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
index a8c82e70460fc3c4e3d352bb1def8ab69dbc143b..d034f49da14b81015f0e86d7de57af9721fc7e59 100644
--- a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
+++ b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
@@ -1436,6 +1436,12 @@ class VideoPlayerBrowserTestBase : public FileManagerBrowserTestBase {
     FileManagerBrowserTestBase::SetUp();
   }
 
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+    command_line->AppendSwitch(
+        chromeos::switches::kEnableVideoPlayerChromecastSupport);
+    FileManagerBrowserTestBase::SetUpCommandLine(command_line);
+  }
+
   virtual std::string OnMessage(const std::string& name,
                                 const base::Value* value) OVERRIDE;