[Autofill] No longer pass FormStructure pointers in ParseQueryResponse.

components/autofill/core/browser/autofill_download_manager_unittest.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 "components/autofill/core/browser/autofill_download_manager.h"
 
 #include <list>
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 64 matching lines @@
     driver_.SetURLRequestContext(request_context_.get());
   }
 
   void LimitCache(size_t cache_size) {
     download_manager_.set_max_form_cache_size(cache_size);
   }
 
   // AutofillDownloadManager::Observer implementation.
   void OnLoadedServerPredictions(
       const std::string& response_xml,
-      const std::vector<FormStructure*>& queried_forms) override {
+      const std::vector<std::string>& form_signatures) override {
     ResponseData response;
     response.response = response_xml;
     response.type_of_response = QUERY_SUCCESSFULL;
     responses_.push_back(response);
   }
 
   void OnUploadedPossibleFieldTypes() override {
     ResponseData response;
     response.type_of_response = UPLOAD_SUCCESSFULL;
     responses_.push_back(response);
@@ skipping 572 matching lines @@
   std::string header;
   EXPECT_TRUE(headers.GetHeader("content-encoding", &header));
   EXPECT_EQ("gzip", header);
 
   // Expect that the compression is logged.
   histogram.ExpectUniqueSample("Autofill.PayloadCompressionRatio.Upload", 92,
                                1);
 }
 
 }  // namespace autofill