Move Mime type handling to streamsPrivate API, so that it works on Desktop Chrome.

chrome/test/data/extensions/api_test/file_browser/handle_mime_type/background.js

Index: chrome/test/data/extensions/api_test/file_browser/handle_mime_type/background.js
diff --git a/chrome/test/data/extensions/api_test/file_browser/handle_mime_type/background.js b/chrome/test/data/extensions/api_test/file_browser/handle_mime_type/background.js
deleted file mode 100644
index 16864b3e23967b0b1991d1320dea130088399f14..0000000000000000000000000000000000000000
--- a/chrome/test/data/extensions/api_test/file_browser/handle_mime_type/background.js
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright (c) 2012 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.
-
-// True iff the notifyFail has alerady been called.
-var hasFailed = false;
-
-chrome.fileBrowserHandler.onExecuteContentHandler.addListener(
-    function(mime_type, content_url) {
-  // The tests are setup so resources with MIME type 'application/msword' are
-  // meant to be handled by the extension. The extension getting an event with
-  // the MIME type 'application/msword' means the test has succeeded.
-  if (mime_type == 'application/msword') {
-    chrome.test.notifyPass();
-    return;
-  }
-
-  // The tests are setup so resources with MIME type 'plain/text' are meant to
-  // be handled by the browser (i.e. downloaded). The extension getting event
-  // with MIME type 'plain/text' is thus a failure.
-  if (mime_type == 'plain/text') {
-    chrome.test.notifyFail(
-        'Unexpected request to handle "plain/text" MIME type.');
-    // Set |hasFailed| so notifyPass doesn't get called later (when event with
-    // MIME type 'test/done' is received).
-    hasFailed = true;
-    return;
-  }
-
-  // MIME type 'test/done' is received only when tests for which no events
-  // should be raised to notify the extension it's job is done. If the extension
-  // receives the 'test/done' and there were no previous failures, notify that
-  // the test has succeeded.
-  if (!hasFailed && mime_type == 'test/done')
-    chrome.test.notifyPass();
-});