Index: third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js |
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js b/third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js |
index 1341f430062c37ec7edc3b125a03f58c736c1d32..8b98d888eccf4f577b34dbc6d6f58163fb4c9bc9 100644 |
--- a/third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js |
+++ b/third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js |
@@ -282,7 +282,7 @@ WebInspector.SourcesPanel.prototype = { |
if (Runtime.experiments.isEnabled("stepIntoAsync")) { |
var operationId = details.auxData["operationId"]; |
var operation = this.sidebarPanes.asyncOperationBreakpoints.operationById(details.target(), operationId); |
- var description = (operation && operation.description) || WebInspector.UIString("<unknown>"); |
+ var description = (operation && operation.stack && operation.stack.description) || WebInspector.UIString("<unknown>"); |
this.sidebarPanes.callstack.setStatus(WebInspector.UIString("Paused on a \"%s\" async operation.", description)); |
this.sidebarPanes.asyncOperationBreakpoints.highlightBreakpoint(operationId); |
} |