[Autofill] Send the form name in Autofill uploads where metadata is collected.

chrome/browser/autofill/autofill_server_browsertest.cc

 // Copyright 2014 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 "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
@@ skipping 145 matching lines @@
 
   // Submit the form, using a simulated mouse click because form submissions not
   // triggered by user gestures are ignored. Expect an upload request upon form
   // submission, with form fields matching those from the query request.
   const char kUploadRequest[] =
       "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
       "<autofillupload clientversion=\"6.1.1715.1442/en (GGLL)\""
       " formsignature=\"15916856893790176210\""
       " autofillused=\"false\""
       " datapresent=\"1f7e0003780000080004\""
-      " actionsignature=\"15724779818122431245\">"
+      " actionsignature=\"15724779818122431245\" formname=\"test_form\">"
       "<field signature=\"2594484045\" name=\"one\" type=\"text\""
       " autofilltype=\"2\"/>"
       "<field signature=\"2750915947\" name=\"two\" type=\"text\""
       " autocomplete=\"off\" autofilltype=\"2\"/>"
       "<field signature=\"3494787134\" name=\"three\" type=\"text\""
       " autofilltype=\"2\"/>"
       "<field signature=\"1236501728\" name=\"four\" type=\"text\""
       " autocomplete=\"off\" autofilltype=\"2\"/>"
       "</autofillupload>";
 
@@ skipping 26 matching lines @@
       "<field signature=\"2750915947\" name=\"two\" type=\"text\"/>"
       "<field signature=\"116843943\" name=\"three\" type=\"password\"/>"
       "</form></autofillquery>";
   WindowedNetworkObserver query_network_observer(kQueryRequest);
   ui_test_utils::NavigateToURL(
       browser(), GURL(std::string(kDataURIPrefix) + kFormHtml));
   query_network_observer.Wait();
 }
 
 }  // namespace autofill