Speculative fix for crasher.

third_party/WebKit/Source/core/frame/ResizeViewportAnchor.cpp

Index: third_party/WebKit/Source/core/frame/ResizeViewportAnchor.cpp
diff --git a/third_party/WebKit/Source/core/frame/ResizeViewportAnchor.cpp b/third_party/WebKit/Source/core/frame/ResizeViewportAnchor.cpp
index 445d705ce230c74c30720d588a71300f77c3a59b..0fb16954026d98c268b26e2379243b643d2ff0c0 100644
--- a/third_party/WebKit/Source/core/frame/ResizeViewportAnchor.cpp
+++ b/third_party/WebKit/Source/core/frame/ResizeViewportAnchor.cpp
@@ -15,7 +15,8 @@ namespace blink {
 
 void ResizeViewportAnchor::ResizeFrameView(IntSize size) {
   FrameView* frame_view = RootFrameView();
-  DCHECK(frame_view);
+  // TODO(szager): Remove this CHECK if it doesn't show up in crash reports.
+  CHECK(frame_view);
 
   ScrollableArea* root_viewport = frame_view->GetScrollableArea();
   ScrollOffset offset = root_viewport->GetScrollOffset();