[Autofill] Only query for newly parsed forms

components/autofill/core/browser/autofill_manager.h

 // Copyright 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.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_MANAGER_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_MANAGER_H_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 222 matching lines @@
                        std::string* cc_backend_id,
                        std::string* profile_backend_id) const;
 
   ScopedVector<FormStructure>* form_structures() { return &form_structures_; }
 
   // Exposed for testing.
   AutofillExternalDelegate* external_delegate() {
     return external_delegate_;
   }
 
+  // Exposed for testing.
+  void set_download_manager(AutofillDownloadManager* manager) {
+    download_manager_.reset(manager);
+  }
+
  private:
   // AutofillDownloadManager::Observer:
   void OnLoadedServerPredictions(const std::string& response_xml) override;
 
   // CardUnmaskDelegate:
   void OnUnmaskResponse(const UnmaskResponse& response) override;
   void OnUnmaskPromptClosed() override;
 
   // wallet::RealPanWalletClient::Delegate:
   IdentityProvider* GetIdentityProvider() override;
@@ skipping 243 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(AutofillManagerTest,
                            DontSaveCvcInAutocompleteHistory);
   FRIEND_TEST_ALL_PREFIXES(AutofillManagerTest, DontOfferToSaveWalletCard);
   FRIEND_TEST_ALL_PREFIXES(AutofillManagerTest, FillInUpdatedExpirationDate);
   DISALLOW_COPY_AND_ASSIGN(AutofillManager);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_MANAGER_H_