Implemented File create API.

runtime/bin/file_win.cc

Index: runtime/bin/file_win.cc
diff --git a/runtime/bin/file_win.cc b/runtime/bin/file_win.cc
index 8352c4901dab1774f2194a32080941542e0c8867..eaac7e656413bc775c005813cfef43a9739885f6 100644
--- a/runtime/bin/file_win.cc
+++ b/runtime/bin/file_win.cc
@@ -88,7 +88,7 @@ off_t File::Length() {
 }
 
 
-File* File::OpenFile(const char* name, bool writable) {
+File* File::Open(const char* name, bool writable) {
   int flags = O_RDONLY | O_BINARY;
   if (writable) {
     flags = (O_RDWR | O_CREAT | O_TRUNC | O_BINARY);
@@ -101,7 +101,7 @@ File* File::OpenFile(const char* name, bool writable) {
 }
 
 
-bool File::FileExists(const char* name) {
+bool File::Exists(const char* name) {
   struct stat st;
   if (stat(name, &st) == 0) {
     return ((st.st_mode & S_IFMT) == S_IFREG);
@@ -111,6 +111,15 @@ bool File::FileExists(const char* name) {
 }
 
 
+bool File::Create(const char* name) {
+  int fd = open(name, O_RDONLY | O_CREAT, 0666);
+  if (fd < 0) {
+    return false;
+  }
+  return (close(fd) == 0);
+}
+
+
 bool File::IsAbsolutePath(const char* pathname) {
   // Should we consider network paths?
   if (pathname == NULL) return false;