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

src/heap/heap.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/bits.h"
 #include "src/base/once.h"
@@ skipping 5443 matching lines @@
 }
 
 
 bool Heap::CreateHeapObjects() {
   // Create initial maps.
   if (!CreateInitialMaps()) return false;
   CreateApiObjects();
 
   // Create initial objects
   CreateInitialObjects();
-  CHECK_EQ(0, gc_count_);
+  CHECK_EQ(0u, gc_count_);
 
   set_native_contexts_list(undefined_value());
   set_array_buffers_list(undefined_value());
   set_allocation_sites_list(undefined_value());
   weak_object_to_code_table_ = undefined_value();
   return true;
 }
 
 
 void Heap::SetStackLimits() {
@@ skipping 978 matching lines @@
       static_cast<int>(object_sizes_last_time_[index]));
   CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
 
   MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 }
 }  // namespace v8::internal