Null check view during paint invalidation

third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp

Index: third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp
diff --git a/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp b/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp
index b501d3f42cf7340db2f19e7af541765984022e13..ecf9e80af8a36a30680fb5115223b52d77a1d4e0 100644
--- a/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp
+++ b/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp
@@ -382,10 +382,12 @@ void ObjectPaintInvalidator::InvalidatePaintUsingContainer(
                                      EnclosingIntRect(dirty_rect));
   }
 
-  if (paint_invalidation_container.View()->UsesCompositing() &&
-      paint_invalidation_container.IsPaintInvalidationContainer()) {
-    SetBackingNeedsPaintInvalidationInRect(paint_invalidation_container,
-                                           dirty_rect, invalidation_reason);
+  auto* view = paint_invalidation_container.View();
+  if (view && view->UsesCompositing()) {
+    if (paint_invalidation_container.IsPaintInvalidationContainer()) {
+      SetBackingNeedsPaintInvalidationInRect(paint_invalidation_container,
+                                             dirty_rect, invalidation_reason);
+    }
   }
 }