Nuke from orbit corrupt websql databases.

content/browser/renderer_host/database_message_filter.cc

Index: content/browser/renderer_host/database_message_filter.cc
===================================================================
--- content/browser/renderer_host/database_message_filter.cc	(revision 122554)
+++ content/browser/renderer_host/database_message_filter.cc	(working copy)
@@ -109,6 +109,7 @@
     IPC_MESSAGE_HANDLER(DatabaseHostMsg_Opened, OnDatabaseOpened)
     IPC_MESSAGE_HANDLER(DatabaseHostMsg_Modified, OnDatabaseModified)
     IPC_MESSAGE_HANDLER(DatabaseHostMsg_Closed, OnDatabaseClosed)
+    IPC_MESSAGE_HANDLER(DatabaseHostMsg_HandleSqliteError, OnHandleSqliteError)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
   return handled;
@@ -159,7 +160,6 @@
   // process. The original handle is closed, unless we saved it in the
   // database tracker.
   bool auto_close = !db_tracker_->HasSavedIncognitoFileHandle(vfs_file_name);
-  DCHECK_NE(base::kInvalidPlatformFileValue, file_handle);
   IPC::PlatformFileForTransit target_handle =
       IPC::GetFileHandleForProcess(file_handle, peer_handle(), auto_close);
 
@@ -322,6 +322,14 @@
   db_tracker_->DatabaseClosed(origin_identifier, database_name);
 }
 
+void DatabaseMessageFilter::OnHandleSqliteError(
+    const string16& origin_identifier,
+    const string16& database_name,
+    int error) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+  db_tracker_->HandleSqliteError(origin_identifier, database_name, error);
+}
+
 void DatabaseMessageFilter::OnDatabaseSizeChanged(
     const string16& origin_identifier,
     const string16& database_name,