Replace string16 with base::string16 in src/webkit

webkit/database/database_quota_client.cc

Index: webkit/database/database_quota_client.cc
diff --git a/webkit/database/database_quota_client.cc b/webkit/database/database_quota_client.cc
index 1f55d9ad6e88ed54029148db404b6552b908dffc..840e36751e8790afd174640e81d7879c703f0d7b 100644
--- a/webkit/database/database_quota_client.cc
+++ b/webkit/database/database_quota_client.cc
@@ -36,9 +36,9 @@ int64 GetOriginUsageOnDBThread(
 void GetOriginsOnDBThread(
     DatabaseTracker* db_tracker,
     std::set<GURL>* origins_ptr) {
-  std::vector<string16> origin_identifiers;
+  std::vector<base::string16> origin_identifiers;
   if (db_tracker->GetAllOriginIdentifiers(&origin_identifiers)) {
-    for (std::vector<string16>::const_iterator iter =
+    for (std::vector<base::string16>::const_iterator iter =
          origin_identifiers.begin();
          iter != origin_identifiers.end(); ++iter) {
       GURL origin = DatabaseUtil::GetOriginFromIdentifier(*iter);
@@ -51,9 +51,9 @@ void GetOriginsForHostOnDBThread(
     DatabaseTracker* db_tracker,
     std::set<GURL>* origins_ptr,
     const std::string& host) {
-  std::vector<string16> origin_identifiers;
+  std::vector<base::string16> origin_identifiers;
   if (db_tracker->GetAllOriginIdentifiers(&origin_identifiers)) {
-    for (std::vector<string16>::const_iterator iter =
+    for (std::vector<base::string16>::const_iterator iter =
          origin_identifiers.begin();
          iter != origin_identifiers.end(); ++iter) {
       GURL origin = DatabaseUtil::GetOriginFromIdentifier(*iter);