InPrePaint document state and PrePaintTreeWalk class

third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp

Index: third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp
diff --git a/third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp b/third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp
index 5e9e11c7bdf9c8dbfd5f116d04963ba18d66f48c..6f912483be1ef14cc33df73d7cc9177dd243e3ef 100644
--- a/third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp
+++ b/third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp
@@ -210,17 +210,17 @@ bool DocumentLifecycle::canAdvanceTo(LifecycleState nextState) const
         if (nextState == InCompositingUpdate)
             return true;
         if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
-            if (nextState == InUpdatePaintProperties)
+            if (nextState == InPrePaintTreeWalk)
                 return true;
         } else if (nextState == InPaint) {
             return true;
         }
         break;
-    case InUpdatePaintProperties:
-        if (nextState == UpdatePaintPropertiesClean && RuntimeEnabledFeatures::slimmingPaintV2Enabled())
+    case InPrePaintTreeWalk:
+        if (nextState == PrePaintTreeWalkClean && RuntimeEnabledFeatures::slimmingPaintV2Enabled())
             return true;
         break;
-    case UpdatePaintPropertiesClean:
+    case PrePaintTreeWalkClean:

[pdr., 2016/03/12 04:04:24]

Nit: PrePaintTreeWalkFinished or PrePaintTreeWalkComplete?

[Xianzhu, 2016/03/14 18:56:04]

I removed "TreeWalk" from the new state names. How about "PrePaintClean"?

         if (nextState == InPaint && RuntimeEnabledFeatures::slimmingPaintV2Enabled())
             return true;
         break;
@@ -308,8 +308,8 @@ const char* DocumentLifecycle::stateAsDebugString(const LifecycleState state)
         DEBUG_STRING_CASE(CompositingClean);
         DEBUG_STRING_CASE(InPaintInvalidation);
         DEBUG_STRING_CASE(PaintInvalidationClean);
-        DEBUG_STRING_CASE(InUpdatePaintProperties);
-        DEBUG_STRING_CASE(UpdatePaintPropertiesClean);
+        DEBUG_STRING_CASE(InPrePaintTreeWalk);
+        DEBUG_STRING_CASE(PrePaintTreeWalkClean);
         DEBUG_STRING_CASE(InPaint);
         DEBUG_STRING_CASE(PaintClean);
         DEBUG_STRING_CASE(Stopping);