IndexedDB: Replace passing identically-sized vectors with pairs

content/child/indexed_db/indexed_db_dispatcher.cc

Index: content/child/indexed_db/indexed_db_dispatcher.cc
diff --git a/content/child/indexed_db/indexed_db_dispatcher.cc b/content/child/indexed_db/indexed_db_dispatcher.cc
index d2de316656853bb10c659f3ebb26f31873547ead..1903ac66e13b1b0227f59db7657caaac83d62a1e 100644
--- a/content/child/indexed_db/indexed_db_dispatcher.cc
+++ b/content/child/indexed_db/indexed_db_dispatcher.cc
@@ -4,6 +4,8 @@
 
 #include "content/child/indexed_db/indexed_db_dispatcher.h"
 
+#include <utility>
+
 #include "base/format_macros.h"
 #include "base/lazy_instance.h"
 #include "base/strings/stringprintf.h"
@@ -346,19 +348,17 @@ void IndexedDBDispatcher::RequestIDBDatabasePut(
   params.key = key;
   params.put_mode = put_mode;
 
-  COMPILE_ASSERT(sizeof(params.index_ids[0]) == sizeof(index_ids[0]),
-                 Cant_copy);
-  params.index_ids
-      .assign(index_ids.data(), index_ids.data() + index_ids.size());
-
-  params.index_keys.resize(index_keys.size());
-  for (size_t i = 0; i < index_keys.size(); ++i) {
-    params.index_keys[i].resize(index_keys[i].size());
+  DCHECK_EQ(index_ids.size(), index_keys.size());
+  params.index_keys.resize(index_ids.size());
+  for (size_t i = 0, len = index_ids.size(); i < len; ++i) {
+    params.index_keys[i].first = index_ids[i];
+    params.index_keys[i].second.resize(index_keys[i].size());
     for (size_t j = 0; j < index_keys[i].size(); ++j) {
-      params.index_keys[i][j] =
+      params.index_keys[i].second[j] =
           IndexedDBKey(IndexedDBKeyBuilder::Build(index_keys[i][j]));
     }
   }
+
   Send(new IndexedDBHostMsg_DatabasePut(params));
 }