Initial switch to Chromium-style CHECK_* and DCHECK_* macros.

src/compiler/node-properties.cc

Index: src/compiler/node-properties.cc
diff --git a/src/compiler/node-properties.cc b/src/compiler/node-properties.cc
index 1575310a7f3a26517fba1289cbdde6263c783159..27c63a64787217246645ce338d078c68023094a2 100644
--- a/src/compiler/node-properties.cc
+++ b/src/compiler/node-properties.cc
@@ -160,7 +160,7 @@ void NodeProperties::ReplaceWithValue(Node* node, Node* value, Node* effect) {
   // Requires distinguishing between value and effect edges.
   for (Edge edge : node->use_edges()) {
     if (IsEffectEdge(edge)) {
-      DCHECK_NOT_NULL(effect);
+      DCHECK(effect);
       edge.UpdateTo(effect);
     } else {
       edge.UpdateTo(value);