Deprecate named base::SharedMemory.

base/memory/shared_memory.h

 // Copyright (c) 2012 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.
 
 #ifndef BASE_MEMORY_SHARED_MEMORY_H_
 #define BASE_MEMORY_SHARED_MEMORY_H_
 
 #include "build/build_config.h"
 
 #include <string>
@@ skipping 23 matching lines @@
 typedef HANDLE SharedMemoryHandle;
 #elif defined(OS_POSIX)
 // A SharedMemoryId is sufficient to identify a given shared memory segment on a
 // system, but insufficient to map it.
 typedef FileDescriptor SharedMemoryHandle;
 typedef ino_t SharedMemoryId;
 #endif
 
 // Options for creating a shared memory object.
 struct SharedMemoryCreateOptions {
-  SharedMemoryCreateOptions() : name(NULL), size(0), open_existing(false),
+  SharedMemoryCreateOptions() : name_deprecated(NULL), size(0),
+                                open_existing_deprecated(false),
                                 executable(false) {}
 
+  // DEPRECATED (crbug.com/345734):
   // If NULL, the object is anonymous.  This pointer is owned by the caller
   // and must live through the call to Create().
-  const std::string* name;
+  const std::string* name_deprecated;
 
   // Size of the shared memory object to be created.
   // When opening an existing object, this has no effect.
   size_t size;
 
+  // DEPRECATED (crbug.com/345734):
   // If true, and the shared memory already exists, Create() will open the
   // existing shared memory and ignore the size parameter.  If false,
-  // shared memory must not exist.  This flag is meaningless unless name is
-  // non-NULL.
-  bool open_existing;
+  // shared memory must not exist.  This flag is meaningless unless
+  // name_deprecated is non-NULL.
+  bool open_existing_deprecated;
 
   // If true, mappings might need to be made executable later.
   bool executable;
 };
 
 // Platform abstraction for shared memory.  Provides a C++ wrapper
 // around the OS primitive for a memory mapped file.
 class BASE_EXPORT SharedMemory {
  public:
   SharedMemory();
@@ skipping 45 matching lines @@
   bool CreateAndMapAnonymous(size_t size);
 
   // Creates an anonymous shared memory segment of size size.
   // Returns true on success and false on failure.
   bool CreateAnonymous(size_t size) {
     SharedMemoryCreateOptions options;
     options.size = size;
     return Create(options);
   }
 
+  // DEPRECATED (crbug.com/345734):
   // Creates or opens a shared memory segment based on a name.
   // If open_existing is true, and the shared memory already exists,
   // opens the existing shared memory and ignores the size parameter.
   // If open_existing is false, shared memory must not exist.
   // size is the size of the block to be created.
   // Returns true on success, false on failure.
-  bool CreateNamed(const std::string& name, bool open_existing, size_t size) {
+  bool CreateNamedDeprecated(
+      const std::string& name, bool open_existing, size_t size) {
     SharedMemoryCreateOptions options;
-    options.name = &name;
-    options.open_existing = open_existing;
+    options.name_deprecated = &name;
+    options.open_existing_deprecated = open_existing;
     options.size = size;
     return Create(options);
   }
 
   // Deletes resources associated with a shared memory segment based on name.
   // Not all platforms require this call.
   bool Delete(const std::string& name);
 
   // Opens a shared memory segment based on a name.
   // If read_only is true, opens for read-only access.
@@ skipping 156 matching lines @@
   }
 
  private:
   SharedMemory* shared_memory_;
   DISALLOW_COPY_AND_ASSIGN(SharedMemoryAutoLockDeprecated);
 };
 
 }  // namespace base
 
 #endif  // BASE_MEMORY_SHARED_MEMORY_H_