Fix windows build.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/528993003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23618 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/base/platform/platform-win32.cc

@@ -21,6 +21,7 @@
 
 #include "src/base/win32-headers.h"
 
+#include "src/base/bits.h"
 #include "src/base/lazy-instance.h"
 #include "src/base/macros.h"
 #include "src/base/platform/platform.h"
@@ -700,7 +701,7 @@ static size_t GetPageSize() {
   if (page_size == 0) {
     SYSTEM_INFO info;
     GetSystemInfo(&info);
-    page_size = RoundUpToPowerOf2(info.dwPageSize);
+    page_size = base::bits::RoundUpToPowerOfTwo32(info.dwPageSize);
   }
   return page_size;
 }