Return a list of changed from WebDatabase::RemoveFormElementsAddedBetween()

chrome/browser/webdata/web_database.h

 // Copyright (c) 2009 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 CHROME_BROWSER_WEBDATA_WEB_DATABASE_H_
 #define CHROME_BROWSER_WEBDATA_WEB_DATABASE_H_
 
 #include <vector>
 
 #include "app/sql/connection.h"
 #include "app/sql/meta_table.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "testing/gtest/include/gtest/gtest_prod.h"
 #include "webkit/glue/form_field.h"
 
+class AutofillChange;
 class FilePath;
 
 namespace base {
 class Time;
 }
 
 namespace webkit_glue {
 struct PasswordForm;
 }
 
@@ skipping 110 matching lines @@
 
   // Retrieves a vector of all values which have been recorded in the autofill
   // table as the value in a form element with name |name| and which start with
   // |prefix|.  The comparison of the prefix is case insensitive.
   bool GetFormValuesForElementName(const string16& name,
                                    const string16& prefix,
                                    std::vector<string16>* values,
                                    int limit);
 
   // Removes rows from autofill_dates if they were created on or after
-  // |delete_begin| and strictly before |delete_end|.  Decrements the count of
-  // the corresponding rows in the autofill table, and removes those rows if the
-  // count goes to 0.
+  // |delete_begin| and strictly before |delete_end|.  Decrements the
+  // count of the corresponding rows in the autofill table, and
+  // removes those rows if the count goes to 0.  A list of all changed
+  // keys and whether each was updater or removed is returned in the
+  // changes out parameter.
   bool RemoveFormElementsAddedBetween(base::Time delete_begin,
-                                      base::Time delete_end);
+                                      base::Time delete_end,
+                                      std::vector<AutofillChange>* changes);
 
   // Removes from autofill_dates rows with given pair_id where date_created lies
   // between delte_begin and delte_end.
   bool RemoveFormElementForTimeRange(int64 pair_id,
                                      base::Time delete_begin,
                                      base::Time delete_end,
                                      int* how_many);
 
-  // Increments the count in the row corresponding to |pair_id| by |delta|.
-  // Removes the row from the table if the count becomes 0.
-  bool AddToCountOfFormElement(int64 pair_id, int delta);
+  // Increments the count in the row corresponding to |pair_id| by
+  // |delta|.  Removes the row from the table and sets the
+  // |was_removed| out parameter to true if the count becomes 0.
+  bool AddToCountOfFormElement(int64 pair_id, int delta, bool* was_removed);
 
   // Gets the pair_id and count entries from name and value specified in
   // |element|.  Sets *count to 0 if there is no such row in the table.
   bool GetIDAndCountOfFormElement(const webkit_glue::FormField& element,
                                   int64* pair_id,
                                   int* count);
 
   // Gets the count only given the pair_id.
   bool GetCountOfFormElement(int64 pair_id, int* count);
 
@@ skipping 22 matching lines @@
   bool SetWebAppImage(const GURL& url, const SkBitmap& image);
   bool GetWebAppImages(const GURL& url, std::vector<SkBitmap>* images);
 
   bool SetWebAppHasAllImages(const GURL& url, bool has_all_images);
   bool GetWebAppHasAllImages(const GURL& url);
 
   bool RemoveWebApp(const GURL& url);
 
  private:
   FRIEND_TEST(WebDatabaseTest, Autofill);
+  FRIEND_TEST(WebDatabaseTest, Autofill_RemoveBetweenChanges);
+
+  // Methods for adding autofill entries at a specified time.  For
+  // testing only.
+  bool AddFormFieldValuesTime(
+      const std::vector<webkit_glue::FormField>& elements,
+      base::Time time);
+  bool AddFormFieldValueTime(const webkit_glue::FormField& element,
+                             base::Time time);
 
   // Removes empty values for autofill that were incorrectly stored in the DB
   // (see bug http://crbug.com/6111).
   // TODO(jcampan): http://crbug.com/7564 remove when we think all users have
   //                run this code.
   bool ClearAutofillEmptyValueElements();
 
   bool InitKeywordsTable();
   bool InitLoginsTable();
   bool InitAutofillTable();
   bool InitAutofillDatesTable();
   bool InitWebAppIconsTable();
   bool InitWebAppsTable();
 
   void MigrateOldVersionsAsNeeded();
 
   sql::Connection db_;
   sql::MetaTable meta_table_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDatabase);
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_WEB_DATABASE_H_