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

test/cctest/compiler/test-loop-analysis.cc

Index: test/cctest/compiler/test-loop-analysis.cc
diff --git a/test/cctest/compiler/test-loop-analysis.cc b/test/cctest/compiler/test-loop-analysis.cc
index 71708aad810b000905933a02afa964b093c99115..87746ecf21e5abfe25a39bf271bab9a28cef43d3 100644
--- a/test/cctest/compiler/test-loop-analysis.cc
+++ b/test/cctest/compiler/test-loop-analysis.cc
@@ -136,7 +136,7 @@ class LoopFinderTester : HandleAndZoneScope {
   void CheckLoop(Node** header, int header_count, Node** body, int body_count) {
     LoopTree* tree = GetLoopTree();
     LoopTree::Loop* loop = tree->ContainingLoop(header[0]);
-    CHECK_NE(NULL, loop);
+    CHECK(loop);
 
     CHECK(header_count == static_cast<int>(loop->HeaderSize()));
     for (int i = 0; i < header_count; i++) {
@@ -164,7 +164,7 @@ class LoopFinderTester : HandleAndZoneScope {
       Node* header = chain[i];
       // Each header should be in a loop.
       LoopTree::Loop* loop = tree->ContainingLoop(header);
-      CHECK_NE(NULL, loop);
+      CHECK(loop);
       // Check parentage.
       LoopTree::Loop* parent =
           i == 0 ? NULL : tree->ContainingLoop(chain[i - 1]);