Move platform abstraction to base library

src/base/platform/platform-qnx.cc

Index: src/base/platform/platform-qnx.cc
diff --git a/src/platform-qnx.cc b/src/base/platform/platform-qnx.cc
similarity index 98%
rename from src/platform-qnx.cc
rename to src/base/platform/platform-qnx.cc
index bdf07d528077653ce7bc514051b2c1494403619b..e4570f246544a94ae6a79158894ea7f05d62fa39 100644
--- a/src/platform-qnx.cc
+++ b/src/base/platform/platform-qnx.cc
@@ -31,12 +31,12 @@
 
 #undef MAP_TYPE
 
-#include "src/platform.h"
-#include "src/utils.h"
+#include "src/base/macros.h"
+#include "src/base/platform/platform.h"
 
 
 namespace v8 {
-namespace internal {
+namespace base {
 
 // 0 is never a valid thread id on Qnx since tids and pids share a
 // name space and pid 0 is reserved (see man 2 kill).
@@ -371,4 +371,4 @@ bool VirtualMemory::HasLazyCommits() {
   return false;
 }
 
-} }  // namespace v8::internal
+} }  // namespace v8::base