Plumb exception code for transactions.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/5256006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@67449 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 10 insertions, 6 deletions

diff --git a/chrome/renderer/renderer_webidbdatabase_impl.cc b/chrome/renderer/renderer_webidbdatabase_impl.cc
index 874342f..25137da 100644
--- a/chrome/renderer/renderer_webidbdatabase_impl.cc
+++ b/chrome/renderer/renderer_webidbdatabase_impl.cc
@@ -110,15 +110,17 @@ WebKit::WebIDBTransaction* RendererWebIDBDatabaseImpl::transaction(
     unsigned short mode,
     unsigned long timeout,
     WebExceptionCode& ec) {
-  std::vector<string16> object_stores(names.length());
-  for (unsigned int i = 0; i < names.length(); ++i) {
+  std::vector<string16> object_stores;
+  object_stores.reserve(names.length());
+  for (unsigned int i = 0; i < names.length(); ++i)
     object_stores.push_back(names.item(i));
-  }
 
   int transaction_id;
   RenderThread::current()->Send(
       new ViewHostMsg_IDBDatabaseTransaction(
           idb_database_id_, object_stores, mode,
           timeout, &transaction_id, &ec));
+  if (!transaction_id)
+    return NULL;
   return new RendererWebIDBTransactionImpl(transaction_id);
 }
diff --git a/chrome/renderer/renderer_webidbtransaction_impl.cc b/chrome/renderer/renderer_webidbtransaction_impl.cc
index f918275..b1b024e 100644
--- a/chrome/renderer/renderer_webidbtransaction_impl.cc
+++ b/chrome/renderer/renderer_webidbtransaction_impl.cc
@@ -35,12 +35,13 @@ int RendererWebIDBTransactionImpl::mode() const
 }
 
 WebIDBObjectStore* RendererWebIDBTransactionImpl::objectStore(
-    const WebString& name)
+    const WebString& name,
+    WebKit::WebExceptionCode& ec)
 {
   int object_store_id;
   RenderThread::current()->Send(
       new ViewHostMsg_IDBTransactionObjectStore(
-          idb_transaction_id_, name, &object_store_id));
+          idb_transaction_id_, name, &object_store_id, &ec));
   if (!object_store_id)
     return NULL;
   return new RendererWebIDBObjectStoreImpl(object_store_id);
diff --git a/chrome/renderer/renderer_webidbtransaction_impl.h b/chrome/renderer/renderer_webidbtransaction_impl.h
index 728bafe..282dd63 100644
--- a/chrome/renderer/renderer_webidbtransaction_impl.h
+++ b/chrome/renderer/renderer_webidbtransaction_impl.h
@@ -21,7 +21,8 @@ class RendererWebIDBTransactionImpl : public WebKit::WebIDBTransaction {
   virtual ~RendererWebIDBTransactionImpl();
 
   virtual int mode() const;
-  virtual WebKit::WebIDBObjectStore* objectStore(const WebKit::WebString& name);
+  virtual WebKit::WebIDBObjectStore* objectStore(const WebKit::WebString& name,
+                                                 WebKit::WebExceptionCode&);
   virtual void abort();
   virtual void didCompleteTaskEvents();
   virtual void setCallbacks(WebKit::WebIDBTransactionCallbacks*);