Profile Reset: support "soft reset" of search engines, homepage and startup pages. The soft reset doesn't clear user-defined search engines, homepage URL and startup URLs.
BUG=235037
Review URL: https://codereview.chromium.org/23496004
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226880 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/search_engines/util.h b/chrome/browser/search_engines/util.h
index b496e2a..56553de 100644
--- a/chrome/browser/search_engines/util.h
+++ b/chrome/browser/search_engines/util.h
@@ -27,11 +27,55 @@
// |profile|.
GURL GetDefaultSearchURLForSearchTerms(Profile* profile, const string16& terms);
+// Returns matching URL from |template_urls| or NULL.
+TemplateURL* FindURLByPrepopulateID(
+ const TemplateURLService::TemplateURLVector& template_urls,
+ int prepopulate_id);
+
// Modifies |prepopulated_url| so that it contains user-modified fields from
// |original_turl|. Both URLs must have the same prepopulate_id.
void MergeIntoPrepopulatedEngineData(TemplateURLData* prepopulated_url,
const TemplateURL* original_turl);
+// CreateActionsFromCurrentPrepopulateData() (see below) takes in the current
+// prepopulated URLs as well as the user's current URLs, and returns an instance
+// of the following struct representing the changes necessary to bring the
+// user's URLs in line with the prepopulated URLs.
+//
+// There are three types of changes:
+// (1) Previous prepopulated engines that no longer exist in the current set of
+// prepopulated engines and thus should be removed from the user's current
+// URLs.
+// (2) Previous prepopulated engines whose data has changed. The existing
+// entries for these engines should be updated to reflect the new data,
+// except for any user-set names and keywords, which can be preserved.
+// (3) New prepopulated engines not in the user's engine list, which should be
+// added.
+
+// The pair of current search engine and its new value.
+typedef std::pair<TemplateURL*, TemplateURLData> EditedSearchEngine;
+typedef std::vector<EditedSearchEngine> EditedEngines;
+
+struct ActionsFromPrepopulateData {
+ ActionsFromPrepopulateData();
+ ~ActionsFromPrepopulateData();
+
+ TemplateURLService::TemplateURLVector removed_engines;
+ EditedEngines edited_engines;
+ TemplateURLService::TemplateURLVector added_engines;
+};
+
+// Given the user's current URLs and the current set of prepopulated URLs,
+// produces the set of actions (see above) required to make the user's URLs
+// reflect the prepopulate data. |default_search_provider| is used to avoid
+// placing the current default provider on the "to be removed" list.
+//
+// NOTE: Takes ownership of, and clears, |prepopulated_urls|.
+ActionsFromPrepopulateData CreateActionsFromCurrentPrepopulateData(
+ ScopedVector<TemplateURL>* prepopulated_urls,
+ const TemplateURLService::TemplateURLVector& existing_urls,
+ const TemplateURL* default_search_provider);
+
// Processes the results of WebDataService::GetKeywords, combining it with
// prepopulated search providers to result in:
// * a set of template_urls (search providers). The caller owns the
