EDK: More scoped_ptr -> std::unique_ptr conversions.

mojo/edk/embedder/platform_shared_buffer.h

 // Copyright 2014 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 MOJO_EDK_EMBEDDER_PLATFORM_SHARED_BUFFER_H_
 #define MOJO_EDK_EMBEDDER_PLATFORM_SHARED_BUFFER_H_
 
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 namespace embedder {
 
 class PlatformSharedBufferMapping;
 
 // |PlatformSharedBuffer| is an interface for a thread-safe, ref-counted wrapper
@@ skipping 13 matching lines @@
 // TODO(vtl): Rectify this with |base::SharedMemory|.
 class MOJO_SYSTEM_IMPL_EXPORT PlatformSharedBuffer
     : public base::RefCountedThreadSafe<PlatformSharedBuffer> {
  public:
   // Gets the size of shared buffer (in number of bytes).
   virtual size_t GetNumBytes() const = 0;
 
   // Maps (some) of the shared buffer into memory; [|offset|, |offset + length|]
   // must be contained in [0, |num_bytes|], and |length| must be at least 1.
   // Returns null on failure.
-  virtual scoped_ptr<PlatformSharedBufferMapping> Map(size_t offset,
-                                                      size_t length) = 0;
+  virtual std::unique_ptr<PlatformSharedBufferMapping> Map(size_t offset,
+                                                           size_t length) = 0;
 
   // Checks if |offset| and |length| are valid arguments.
   virtual bool IsValidMap(size_t offset, size_t length) = 0;
 
   // Like |Map()|, but doesn't check its arguments (which should have been
   // preflighted using |IsValidMap()|).
-  virtual scoped_ptr<PlatformSharedBufferMapping> MapNoCheck(size_t offset,
-                                                             size_t length) = 0;
+  virtual std::unique_ptr<PlatformSharedBufferMapping> MapNoCheck(
+      size_t offset,
+      size_t length) = 0;
 
   // Duplicates the underlying platform handle and passes it to the caller.
   // TODO(vtl): On POSIX, we'll need two FDs to support sharing read-only.
   virtual ScopedPlatformHandle DuplicatePlatformHandle() = 0;
 
   // Passes the underlying platform handle to the caller. This should only be
   // called if there's a unique reference to this object (owned by the caller).
   // After calling this, this object should no longer be used, but should only
   // be disposed of.
   virtual ScopedPlatformHandle PassPlatformHandle() = 0;
@@ skipping 28 matching lines @@
   PlatformSharedBufferMapping() {}
 
  private:
   MOJO_DISALLOW_COPY_AND_ASSIGN(PlatformSharedBufferMapping);
 };
 
 }  // namespace embedder
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_PLATFORM_SHARED_BUFFER_H_