| Index: third_party/WebKit/Source/core/dom/DocumentVisibilityObserver.cpp
|
| diff --git a/third_party/WebKit/Source/core/dom/DocumentVisibilityObserver.cpp b/third_party/WebKit/Source/core/dom/DocumentVisibilityObserver.cpp
|
| index 18cd80a9d3c2a33e1a23b5bbfd60dd3d12ae4602..9d51005cda6b776ee40bf92b2adf4b12013ba40d 100644
|
| --- a/third_party/WebKit/Source/core/dom/DocumentVisibilityObserver.cpp
|
| +++ b/third_party/WebKit/Source/core/dom/DocumentVisibilityObserver.cpp
|
| @@ -36,7 +36,7 @@ void DocumentVisibilityObserver::unregisterObserver()
|
|
|
| void DocumentVisibilityObserver::registerObserver(Document& document)
|
| {
|
| - ASSERT(!m_document);
|
| + DCHECK(!m_document);
|
| m_document = &document;
|
| if (m_document)
|
| m_document->registerVisibilityObserver(this);
|
|
|