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

test/cctest/test-symbols.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 
 // Check that we can traverse very deep stacks of ConsStrings using
 // StringCharacterStram.  Check that Get(int) works on very deep stacks
 // of ConsStrings.  These operations may not be very fast, but they
 // should be possible without getting errors due to too deep recursion.
 
 #include "src/v8.h"
 
 #include "src/objects.h"
@@ skipping 10 matching lines @@
 
   const int kNumSymbols = 30;
   Handle<Symbol> symbols[kNumSymbols];
 
   OFStream os(stdout);
   for (int i = 0; i < kNumSymbols; ++i) {
     symbols[i] = isolate->factory()->NewSymbol();
     CHECK(symbols[i]->IsName());
     CHECK(symbols[i]->IsSymbol());
     CHECK(symbols[i]->HasHashCode());
-    CHECK_GT(symbols[i]->Hash(), 0);
+    CHECK_GT(symbols[i]->Hash(), 0u);
     os << Brief(*symbols[i]) << "\n";
 #if OBJECT_PRINT
     symbols[i]->Print(os);
 #endif
 #if VERIFY_HEAP
     symbols[i]->ObjectVerify();
 #endif
   }
 
   CcTest::heap()->CollectGarbage(i::NEW_SPACE);
   CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags);
 
   // All symbols should be distinct.
   for (int i = 0; i < kNumSymbols; ++i) {
     CHECK(symbols[i]->SameValue(*symbols[i]));
     for (int j = i + 1; j < kNumSymbols; ++j) {
       CHECK(!symbols[i]->SameValue(*symbols[j]));
     }
   }
 }