Merge TestResourceHandlers used by two different test fixtures.

content/browser/loader/mime_sniffing_resource_handler.cc

 // 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.
 
 #include "content/browser/loader/mime_sniffing_resource_handler.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 388 matching lines @@
     if (mime_util::IsSupportedMimeType(mime_type))
       return true;
 
     bool handled_by_plugin;
     if (!CheckForPluginHandler(defer, &handled_by_plugin))
       return false;
     if (handled_by_plugin || *defer)
       return true;
   }
 
-  // This is request is a download,
+  // This request is a download.
 
   if (!CheckResponseIsNotProvisional())
     return false;
 
   info->set_is_download(true);
   std::unique_ptr<ResourceHandler> handler(
       host_->CreateResourceHandlerForDownload(request(),
                                               true,  // is_content_initiated
                                               must_download,
                                               false /* is_new_request */));
@@ skipping 96 matching lines @@
 
 void MimeSniffingResourceHandler::OnPluginsLoaded(
     const std::vector<WebPluginInfo>& plugins) {
   // No longer blocking on the plugins being loaded.
   request()->LogUnblocked();
   if (state_ == STATE_BUFFERING)
     AdvanceState();
 }
 
 }  // namespace content