Revert 20962 "Break cyclic reference between utils and platform."

src/libplatform/default-platform.cc

Index: src/libplatform/default-platform.cc
diff --git a/src/libplatform/default-platform.cc b/src/libplatform/default-platform.cc
index decfbeabcbe38e5e03d8d92038b5016e092a34f5..1e21ca4e82379b6734d54e6d9f77b50bedab61e9 100644
--- a/src/libplatform/default-platform.cc
+++ b/src/libplatform/default-platform.cc
@@ -27,7 +27,6 @@
 
 #include "default-platform.h"
 
-#include <algorithm>
 #include <queue>
 
 // TODO(jochen): We should have our own version of checks.h.
@@ -40,9 +39,6 @@ namespace v8 {
 namespace internal {
 
 
-const int DefaultPlatform::kMaxThreadPoolSize = 4;
-
-
 DefaultPlatform::DefaultPlatform()
     : initialized_(false), thread_pool_size_(0) {}
 
@@ -64,8 +60,7 @@ void DefaultPlatform::SetThreadPoolSize(int thread_pool_size) {
   ASSERT(thread_pool_size >= 0);
   if (thread_pool_size < 1)
     thread_pool_size = CPU::NumberOfProcessorsOnline();
-  thread_pool_size_ =
-      std::max(std::min(thread_pool_size, kMaxThreadPoolSize), 1);
+  thread_pool_size_ = Max(Min(thread_pool_size, kMaxThreadPoolSize), 1);
 }