Disallow fragmentation of composited content.

third_party/WebKit/Source/platform/graphics/SquashingDisallowedReasons.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/graphics/SquashingDisallowedReasons.h"
 
 #include "wtf/StdLibExtras.h"
 
 namespace blink {
 
@@ skipping 42 matching lines @@
         "Squashing a scroll child with composited descendants is not supported." },
     { SquashingDisallowedReasonSquashingLayerIsAnimating,
         "squashingLayerIsAnimating",
         "Cannot squash into a layer that is animating." },
     { SquashingDisallowedReasonRenderingContextMismatch,
         "squashingLayerRenderingContextMismatch",
         "Cannot squash layers with different 3D contexts." },
     { SquashingDisallowedReasonNonTranslationTransform,
         "SquashingDisallowedReasonNonTranslationTransform",
         "Cannot squash layers with transforms that are not identity or translation." },
+    { SquashingDisallowedReasonFragmentedContent,
+        "SquashingDisallowedReasonFragmentedContent",
+        "Cannot squash layers that are inside fragmentation contexts." },
 };
 
 const size_t kNumberOfSquashingDisallowedReasons = WTF_ARRAY_LENGTH(kSquashingDisallowedReasonStringMap);
 
 } // namespace blink