Move most importer code to chrome/utility/importer

chrome/browser/importer/in_process_importer_bridge.cc

Index: chrome/browser/importer/in_process_importer_bridge.cc
diff --git a/chrome/browser/importer/in_process_importer_bridge.cc b/chrome/browser/importer/in_process_importer_bridge.cc
index 218a72645d3ae0646c00e87c715ad55230cb2433..7b4b3f281214773582966bef49feb8af68350ebc 100644
--- a/chrome/browser/importer/in_process_importer_bridge.cc
+++ b/chrome/browser/importer/in_process_importer_bridge.cc
@@ -43,6 +43,22 @@ history::URLRows ConvertImporterURLRowsToHistoryURLRows(
   return converted;
 }
 
+history::VisitSource ConvertImporterVisitSourceToHistoryVisitSource(
+    ImporterVisitSource visit_source) {
+  switch (visit_source) {
+    case IMPORTER_VISIT_SOURCE_BROWSED:
+      return history::SOURCE_BROWSED;
+    case IMPORTER_VISIT_SOURCE_FIREFOX_IMPORTED:
+      return history::SOURCE_FIREFOX_IMPORTED;
+    case IMPORTER_VISIT_SOURCE_IE_IMPORTED:
+      return history::SOURCE_IE_IMPORTED;
+    case IMPORTER_VISIT_SOURCE_SAFARI_IMPORTED:
+      return history::SOURCE_SAFARI_IMPORTED;
+  };
+  NOTREACHED();
+  return history::SOURCE_SYNCED;
+}
+
 }  // namespace
 
 using content::BrowserThread;
@@ -187,13 +203,17 @@ void InProcessImporterBridge::SetFavicons(
 
 void InProcessImporterBridge::SetHistoryItems(
     const std::vector<ImporterURLRow>& rows,
-    history::VisitSource visit_source) {
-  history::URLRows converted = ConvertImporterURLRowsToHistoryURLRows(rows);
-  BrowserThread::PostTask(
-      BrowserThread::UI,
-      FROM_HERE,
-      base::Bind(
-          &ProfileWriter::AddHistoryPage, writer_, converted, visit_source));
+    ImporterVisitSource visit_source) {

[gab, 2013/07/08 15:18:08]

Can you introduce this new ImporterVisitSource in a precursor CLs, I would
prefer if this CL was a pure move-only (+includes rename) CL.

[scottmg, 2013/07/09 16:20:49]

Done.

+  history::URLRows converted_rows =
+      ConvertImporterURLRowsToHistoryURLRows(rows);
+  history::VisitSource converted_visit_source =
+      ConvertImporterVisitSourceToHistoryVisitSource(visit_source);
+  BrowserThread::PostTask(BrowserThread::UI,
+                          FROM_HERE,
+                          base::Bind(&ProfileWriter::AddHistoryPage,
+                                     writer_,
+                                     converted_rows,
+                                     converted_visit_source));
 }
 
 void InProcessImporterBridge::SetKeywords(