Invalidate caret during paint invalidation

third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.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 "core/paint/ObjectPaintInvalidator.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/api/LayoutPartItem.h"
@@ skipping 300 matching lines @@
       // here. It is already taken into account.
       squashingLayer->setNeedsDisplayInRect(enclosingIntRect(rect), reason,
                                             m_object);
     }
   } else if (m_object.compositedScrollsWithRespectTo(
                  paintInvalidationContainer)) {
     layer.compositedLayerMapping()->setScrollingContentsNeedDisplayInRect(
         rect, reason, m_object);
   } else if (paintInvalidationContainer.usesCompositedScrolling()) {
     DCHECK(m_object == paintInvalidationContainer);
-    if (reason == PaintInvalidationBackgroundOnScrollingContentsLayer) {
+    if (reason == PaintInvalidationBackgroundOnScrollingContentsLayer ||
+        reason == PaintInvalidationCaret) {
       layer.compositedLayerMapping()->setScrollingContentsNeedDisplayInRect(
           rect, reason, m_object);
     } else {
       layer.compositedLayerMapping()->setNonScrollingContentsNeedDisplayInRect(
           rect, reason, m_object);
     }
   } else {
     // Otherwise invalidate everything.
     layer.compositedLayerMapping()->setContentsNeedDisplayInRect(rect, reason,
                                                                  m_object);
@@ skipping 272 matching lines @@
 
   m_context.paintingLayer->setNeedsRepaint();
   m_object.invalidateDisplayItemClients(reason);
   return reason;
 }
 
 DisablePaintInvalidationStateAsserts::DisablePaintInvalidationStateAsserts()
     : m_disabler(&gDisablePaintInvalidationStateAsserts, true) {}
 
 }  // namespace blink