DO NOT LAND: Test no paint invalidation for LayoutText.

third_party/WebKit/Source/core/layout/LayoutObject.cpp

Index: third_party/WebKit/Source/core/layout/LayoutObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.cpp b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
index 68baec2858e10ef18b15fd7e1892c1b891a5824f..51a51fc98e2e198c0f3fb5dd4ef9ece182e12659 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
@@ -3369,6 +3369,9 @@ void LayoutObject::setShouldDoFullPaintInvalidation(
   }
 
   frameView()->scheduleVisualUpdateForPaintInvalidationIfNeeded();
+
+  if (isText())
+    parent()->setShouldDoFullPaintInvalidation();
 }
 
 void LayoutObject::setMayNeedPaintInvalidation() {
@@ -3377,6 +3380,8 @@ void LayoutObject::setMayNeedPaintInvalidation() {
   m_bitfields.setMayNeedPaintInvalidation(true);
   markAncestorsForPaintInvalidation();
   frameView()->scheduleVisualUpdateForPaintInvalidationIfNeeded();
+  if (isText())
+    parent()->setShouldDoFullPaintInvalidation();
 }
 
 void LayoutObject::setMayNeedPaintInvalidationSubtree() {
@@ -3384,6 +3389,8 @@ void LayoutObject::setMayNeedPaintInvalidationSubtree() {
     return;
   m_bitfields.setMayNeedPaintInvalidationSubtree(true);
   setMayNeedPaintInvalidation();
+  if (isText())
+    parent()->setShouldDoFullPaintInvalidation();
 }
 
 void LayoutObject::setMayNeedPaintInvalidationAnimatedBackgroundImage() {