Replace some hard coded schemes with the constants in /url/url_constants.h.

content/child/npapi/plugin_url_fetcher.cc

 // Copyright (c) 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 "content/child/npapi/plugin_url_fetcher.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "content/child/child_thread.h"
 #include "content/child/multipart_response_delegate.h"
 #include "content/child/npapi/plugin_host.h"
@@ skipping 289 matching lines @@
       // TODO(darin): Should we really exclude headers with an empty value?
       if (!name.empty() && !value.empty())
         headers += name + ": " + value + "\n";
     }
 
     // Bug http://b/issue?id=925559. The flash plugin would not handle the HTTP
     // error codes in the stream header and as a result, was unaware of the fate
     // of the HTTP requests issued via NPN_GetURLNotify. Webkit and FF destroy
     // the stream and invoke the NPP_DestroyStream function on the plugin if the
     // HTTPrequest fails.
-    if ((url_.SchemeIs("http") || url_.SchemeIs("https")) &&
+    if ((url_.SchemeIs(url::kHttpScheme) || url_.SchemeIs(url::kHttpsScheme)) &&
         (response_code < 100 || response_code >= 400)) {
       pending_failure_notification_ = true;
     }
   }
 
   plugin_stream_->DidReceiveResponse(info.mime_type,
                                      headers,
                                      expected_length,
                                      last_modified,
                                      request_is_seekable);
@@ skipping 45 matching lines @@
   }
 
   if (error_code == net::OK) {
     plugin_stream_->DidFinishLoading(resource_id_);
   } else {
     plugin_stream_->DidFail(resource_id_);
   }
 }
 
 }  // namespace content