Plumb net::ERR_ABORTED to Platform, so that it can be exposed to WebCore. This

webkit/glue/webkitplatformsupport_impl.cc

Index: webkit/glue/webkitplatformsupport_impl.cc
===================================================================
--- webkit/glue/webkitplatformsupport_impl.cc	(revision 194239)
+++ webkit/glue/webkitplatformsupport_impl.cc	(working copy)
@@ -28,6 +28,7 @@
 #include "grit/webkit_chromium_resources.h"
 #include "grit/webkit_resources.h"
 #include "grit/webkit_strings.h"
+#include "net/base/net_errors.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebCookie.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebData.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebDiscardableMemory.h"
@@ -398,6 +399,10 @@
   return WebString::fromUTF8(webkit_glue::GetUserAgent(url));
 }
 
+int WebKitPlatformSupportImpl::cancelledErrorCode() const {
+  return net::ERR_ABORTED;
+}
+
 void WebKitPlatformSupportImpl::getPluginList(bool refresh,
                                      WebPluginListBuilder* builder) {
   std::vector<webkit::WebPluginInfo> plugins;