Move platform abstraction to base library

src/allocation.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/allocation.h"
 
 #include <stdlib.h>  // For free, malloc.
-#include "src/checks.h"
-#include "src/platform.h"
+#include "src/base/logging.h"
+#include "src/base/platform/platform.h"
 #include "src/utils.h"
 
 #if V8_LIBC_BIONIC
 #include <malloc.h>  // NOLINT
 #endif
 
 namespace v8 {
 namespace internal {
 
 void* Malloced::New(size_t size) {
@@ skipping 84 matching lines @@
   _aligned_free(ptr);
 #elif V8_LIBC_BIONIC
   // Using free is not correct in general, but for V8_LIBC_BIONIC it is.
   free(ptr);
 #else
   free(ptr);
 #endif
 }
 
 } }  // namespace v8::internal