Index: blimp/engine/session/page_load_tracker.cc |
diff --git a/blimp/engine/session/page_load_tracker.cc b/blimp/engine/session/page_load_tracker.cc |
index 6f248ea119f9a4c99e8d66c79b60e710be67ea10..24e3a4871aeb134c601a3479d1120608bf7fed9a 100644 |
--- a/blimp/engine/session/page_load_tracker.cc |
+++ b/blimp/engine/session/page_load_tracker.cc |
@@ -24,6 +24,7 @@ content::RenderWidgetHost* GetRenderWidgetHostIfMainFrame( |
PageLoadTracker::PageLoadTracker(content::WebContents* web_contents, |
PageLoadTrackerClient* client) |
: client_(client) { |
+ DCHECK(web_contents); |
Observe(web_contents); |
} |