Use DCHECKs when observing only a single notification.

chrome/browser/safe_browsing/client_side_detection_service.cc

Index: chrome/browser/safe_browsing/client_side_detection_service.cc
diff --git a/chrome/browser/safe_browsing/client_side_detection_service.cc b/chrome/browser/safe_browsing/client_side_detection_service.cc
index f646379e5c6803fd3ab1879c66225b2c21b5fa83..937b120ddad59eb2373cfc2a48a364f177610105 100644
--- a/chrome/browser/safe_browsing/client_side_detection_service.cc
+++ b/chrome/browser/safe_browsing/client_side_detection_service.cc
@@ -224,7 +224,7 @@ void ClientSideDetectionService::Observe(
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  DCHECK(type == content::NOTIFICATION_RENDERER_PROCESS_CREATED);
+  DCHECK_EQ(content::NOTIFICATION_RENDERER_PROCESS_CREATED, type);
   SendModelToProcess(
       content::Source<content::RenderProcessHost>(source).ptr());
 }