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

test/cctest/compiler/test-changes-lowering.cc

 // Copyright 2014 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 <limits>
 
 #include "src/compiler/change-lowering.h"
 #include "src/compiler/control-builders.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/node-properties.h"
@@ skipping 224 matching lines @@
       }
     }
   }
 
   if (Pipeline::SupportedTarget()) {
     FOR_FLOAT64_INPUTS(i) {
       double input = *i;
       {
         Handle<Object> number = t.factory()->NewNumber(input);
         t.Call(*number);
-        CHECK_EQ(input, result);
+        CheckDoubleEq(input, result);
       }
 
       {
         Handle<HeapNumber> number = t.factory()->NewHeapNumber(input);
         t.Call(*number);
-        CHECK_EQ(input, result);
+        CheckDoubleEq(input, result);
       }
     }
   }
 }
 
 
 TEST(RunChangeBoolToBit) {
   ChangesLoweringTester<int32_t> t(kMachAnyTagged);
   t.BuildAndLower(t.simplified()->ChangeBoolToBit());
 
@@ skipping 127 matching lines @@
 
         input = *i;
         Object* result = t.CallWithPotentialGC<Object>();
         t.CheckNumber(input, result);
       }
     }
   }
 }
 
 #endif  // V8_TURBOFAN_BACKEND