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