[IndexedDB] Use consistent enums on both sides of IPC.

content/browser/indexed_db/indexed_db_transaction_coordinator.cc

Index: content/browser/indexed_db/indexed_db_transaction_coordinator.cc
diff --git a/content/browser/indexed_db/indexed_db_transaction_coordinator.cc b/content/browser/indexed_db/indexed_db_transaction_coordinator.cc
index a1eaad41ecd6dcef41137f33d497d33520d01f5d..10a293d62649b52b6c1447d03c65794bc4c9042c 100644
--- a/content/browser/indexed_db/indexed_db_transaction_coordinator.cc
+++ b/content/browser/indexed_db/indexed_db_transaction_coordinator.cc
@@ -44,7 +44,7 @@ bool IndexedDBTransactionCoordinator::IsRunningVersionChangeTransaction()
     const {
   return !started_transactions_.empty() &&
          (*started_transactions_.begin())->mode() ==
-             indexed_db::TRANSACTION_VERSION_CHANGE;
+             blink::TransactionVersionChange;
 }
 
 #ifndef NDEBUG
@@ -97,7 +97,7 @@ void IndexedDBTransactionCoordinator::ProcessQueuedTransactions() {
        it != started_transactions_.end();
        ++it) {
     IndexedDBTransaction* transaction = *it;
-    if (transaction->mode() == indexed_db::TRANSACTION_READ_WRITE) {
+    if (transaction->mode() == blink::TransactionReadWrite) {
       // Started read/write transactions have exclusive access to the object
       // stores within their scopes.
       locked_scope.insert(transaction->scope().begin(),
@@ -116,7 +116,7 @@ void IndexedDBTransactionCoordinator::ProcessQueuedTransactions() {
       transaction->Start();
       DCHECK_EQ(IndexedDBTransaction::STARTED, transaction->state());
     }
-    if (transaction->mode() == indexed_db::TRANSACTION_READ_WRITE) {
+    if (transaction->mode() == blink::TransactionReadWrite) {
       // Either the transaction started, so it has exclusive access to the
       // stores in its scope, or per the spec the transaction which was
       // created first must get access first, so the stores are also locked.
@@ -147,16 +147,16 @@ bool IndexedDBTransactionCoordinator::CanStartTransaction(
     const std::set<int64>& locked_scope) const {
   DCHECK(queued_transactions_.count(transaction));
   switch (transaction->mode()) {
-    case indexed_db::TRANSACTION_VERSION_CHANGE:
+    case blink::TransactionVersionChange:
       DCHECK_EQ(1u, queued_transactions_.size());
       DCHECK(started_transactions_.empty());
       DCHECK(locked_scope.empty());
       return true;
 
-    case indexed_db::TRANSACTION_READ_ONLY:
+    case blink::TransactionReadOnly:
       return true;
 
-    case indexed_db::TRANSACTION_READ_WRITE:
+    case blink::TransactionReadWrite:
       return !DoSetsIntersect(transaction->scope(), locked_scope);
   }
   NOTREACHED();