Change SharedMemory to initialize member vars in header.

base/memory/shared_memory_win.cc

 // Copyright (c) 2011 The Chromium 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 "base/memory/shared_memory.h"
 
 #include <aclapi.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 118 matching lines @@
     return nullptr;
   }
 
   return h2;
 }
 
 }  // namespace.
 
 namespace base {
 
-SharedMemory::SharedMemory()
-    : external_section_(false),
-      mapped_size_(0),
-      memory_(NULL),
-      read_only_(false),
-      requested_size_(0) {}
+SharedMemory::SharedMemory() {}
 
-SharedMemory::SharedMemory(const std::wstring& name)
-    : external_section_(false),
-      name_(name),
-      mapped_size_(0),
-      memory_(NULL),
-      read_only_(false),
-      requested_size_(0) {}
+SharedMemory::SharedMemory(const string16& name) : name_(name) {}
 
 SharedMemory::SharedMemory(const SharedMemoryHandle& handle, bool read_only)
-    : external_section_(true),
-      shm_(handle),
-      mapped_size_(0),
-      memory_(NULL),
-      read_only_(read_only),
-      requested_size_(0) {}
+    : external_section_(true), shm_(handle), read_only_(read_only) {}
 
 SharedMemory::~SharedMemory() {
   Unmap();
   Close();
 }
 
 // static
 bool SharedMemory::IsHandleValid(const SharedMemoryHandle& handle) {
   return handle.IsValid();
 }
@@ skipping 192 matching lines @@
 SharedMemoryHandle SharedMemory::TakeHandle() {
   SharedMemoryHandle handle(shm_);
   handle.SetOwnershipPassesToIPC(true);
   shm_ = SharedMemoryHandle();
   memory_ = nullptr;
   mapped_size_ = 0;
   return handle;
 }
 
 }  // namespace base