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

test/cctest/test-conversions.cc

Index: test/cctest/test-conversions.cc
diff --git a/test/cctest/test-conversions.cc b/test/cctest/test-conversions.cc
index aa5c2fbcbdd0954c1ea7f30229693edeba9804e8..b7881edcf6d3d81d5febb646989511f3b6ed10d1 100644
--- a/test/cctest/test-conversions.cc
+++ b/test/cctest/test-conversions.cc
@@ -318,7 +318,7 @@ TEST(BitField) {
   // One bit bit field can hold values 0 and 1.
   CHECK(!OneBit1::is_valid(static_cast<uint32_t>(-1)));
   CHECK(!OneBit2::is_valid(static_cast<uint32_t>(-1)));
-  for (int i = 0; i < 2; i++) {
+  for (unsigned i = 0; i < 2; i++) {
     CHECK(OneBit1::is_valid(i));
     x = OneBit1::encode(i);
     CHECK_EQ(i, OneBit1::decode(x));
@@ -333,7 +333,7 @@ TEST(BitField) {
   // Eight bit bit field can hold values from 0 tp 255.
   CHECK(!EightBit1::is_valid(static_cast<uint32_t>(-1)));
   CHECK(!EightBit2::is_valid(static_cast<uint32_t>(-1)));
-  for (int i = 0; i < 256; i++) {
+  for (unsigned i = 0; i < 256; i++) {
     CHECK(EightBit1::is_valid(i));
     x = EightBit1::encode(i);
     CHECK_EQ(i, EightBit1::decode(x));