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

src/hydrogen.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/hydrogen.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 8703 matching lines @@
       } else {
         DCHECK_EQ(holder_lookup, CallOptimization::kHolderIsReceiver);
       }
       // Includes receiver.
       PushArgumentsFromEnvironment(argc + 1);
       is_function = true;
       break;
     case kCallApiGetter:
       // Receiver and prototype chain cannot have changed.
       DCHECK_EQ(0, argc);
-      DCHECK_EQ(NULL, receiver);
+      DCHECK_NULL(receiver);
       // Receiver is on expression stack.
       receiver = Pop();
       Add<HPushArguments>(receiver);
       break;
     case kCallApiSetter:
       {
         is_store = true;
         // Receiver and prototype chain cannot have changed.
         DCHECK_EQ(1, argc);
-        DCHECK_EQ(NULL, receiver);
+        DCHECK_NULL(receiver);
         // Receiver and value are on expression stack.
         HValue* value = Pop();
         receiver = Pop();
         Add<HPushArguments>(receiver, value);
         break;
      }
   }
 
   HValue* holder = NULL;
   switch (holder_lookup) {
@@ skipping 3060 matching lines @@
     Push(object);
     Add<HSimulate>(call->id(), FIXED_SIMULATE);
   }
   if_objectisvalue.End();
   return ast_context()->ReturnValue(Pop());
 }
 
 
 void HOptimizedGraphBuilder::GenerateDateField(CallRuntime* call) {
   DCHECK(call->arguments()->length() == 2);
-  DCHECK_NE(NULL, call->arguments()->at(1)->AsLiteral());
+  DCHECK_NOT_NULL(call->arguments()->at(1)->AsLiteral());
   Smi* index = Smi::cast(*(call->arguments()->at(1)->AsLiteral()->value()));
   CHECK_ALIVE(VisitForValue(call->arguments()->at(0)));
   HValue* date = Pop();
   HDateField* result = New<HDateField>(date, index);
   return ast_context()->ReturnInstruction(result, call->id());
 }
 
 
 void HOptimizedGraphBuilder::GenerateOneByteSeqStringSetChar(
     CallRuntime* call) {
@@ skipping 1653 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal