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

test/cctest/compiler/graph-builder-tester.cc

Index: test/cctest/compiler/graph-builder-tester.cc
diff --git a/test/cctest/compiler/graph-builder-tester.cc b/test/cctest/compiler/graph-builder-tester.cc
index de39410d32188116f1daba547b3a92e67c886f7d..38bc6337111b7edfab14f4b631a031c6b7524a3e 100644
--- a/test/cctest/compiler/graph-builder-tester.cc
+++ b/test/cctest/compiler/graph-builder-tester.cc
@@ -21,7 +21,7 @@ MachineCallHelper::MachineCallHelper(Isolate* isolate,
 
 void MachineCallHelper::InitParameters(GraphBuilder* builder,
                                        CommonOperatorBuilder* common) {
-  DCHECK_EQ(NULL, parameters_);
+  DCHECK(!parameters_);
   graph_ = builder->graph();
   int param_count = static_cast<int>(parameter_count());
   if (param_count == 0) return;
@@ -46,7 +46,7 @@ byte* MachineCallHelper::Generate() {
 
 
 Node* MachineCallHelper::Parameter(size_t index) {
-  DCHECK_NE(NULL, parameters_);
+  DCHECK(parameters_);
   DCHECK(index < parameter_count());
   return parameters_[index];
 }