Make SharedMemory track the size that was actually mapped

base/shared_memory_nacl.cc

Index: base/shared_memory_nacl.cc
===================================================================
--- base/shared_memory_nacl.cc	(revision 190994)
+++ base/shared_memory_nacl.cc	(working copy)
@@ -18,30 +18,30 @@
 
 SharedMemory::SharedMemory()
     : mapped_file_(-1),
+      inode_(0),
       mapped_size_(0),
-      inode_(0),
       memory_(NULL),
       read_only_(false),
-      created_size_(0) {
+      requested_size_(0) {
 }
 
 SharedMemory::SharedMemory(SharedMemoryHandle handle, bool read_only)
     : mapped_file_(handle.fd),
+      inode_(0),
       mapped_size_(0),
-      inode_(0),
       memory_(NULL),
       read_only_(read_only),
-      created_size_(0) {
+      requested_size_(0) {
 }
 
 SharedMemory::SharedMemory(SharedMemoryHandle handle, bool read_only,
                            ProcessHandle process)
     : mapped_file_(handle.fd),
+      inode_(0),
       mapped_size_(0),
-      inode_(0),
       memory_(NULL),
       read_only_(read_only),
-      created_size_(0) {
+      requested_size_(0) {
   NOTREACHED();
 }