Video Player: Disables cast feature by default

chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_drive.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_util.h"
@@ skipping 884 matching lines @@
 
 FileBrowserPrivateGetDownloadUrlFunction::
     FileBrowserPrivateGetDownloadUrlFunction() {
 }
 
 FileBrowserPrivateGetDownloadUrlFunction::
     ~FileBrowserPrivateGetDownloadUrlFunction() {
 }
 
 bool FileBrowserPrivateGetDownloadUrlFunction::RunAsync() {
+  const base::CommandLine* command_line =
+      base::CommandLine::ForCurrentProcess();
+  if (!command_line->HasSwitch(
+          chromeos::switches::kEnableVideoPlayerChromecastSupport)) {
+    SetError("Cast support is disabled.");
+    SetResult(new base::StringValue(""));  // Intentionally returns a blank.
+    return false;
+  }
+
   using extensions::api::file_browser_private::GetShareUrl::Params;
   const scoped_ptr<Params> params(Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params);
 
   // Start getting the file info.
   drive::FileSystemInterface* const file_system =
       drive::util::GetFileSystemByProfile(GetProfile());
   if (!file_system) {
     // |file_system| is NULL if Drive is disabled or not mounted.
     SetError("Drive is disabled or not mounted.");
@@ skipping 60 matching lines @@
     return;
   }
 
   const std::string url = download_url_ + "?access_token=" + access_token;
   SetResult(new base::StringValue(url));
 
   SendResponse(true);
 }
 
 }  // namespace extensions