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

mojo/edk/embedder/simple_platform_shared_buffer.h

Index: mojo/edk/embedder/simple_platform_shared_buffer.h
diff --git a/mojo/edk/embedder/simple_platform_shared_buffer.h b/mojo/edk/embedder/simple_platform_shared_buffer.h
index 66b0c228ab7e23de2df12e984d8c7274c4326232..85a4a817307e80497d5b4e1e66b77c3ab073f389 100644
--- a/mojo/edk/embedder/simple_platform_shared_buffer.h
+++ b/mojo/edk/embedder/simple_platform_shared_buffer.h
@@ -28,11 +28,12 @@ class MOJO_SYSTEM_IMPL_EXPORT SimplePlatformSharedBuffer final
 
   // |PlatformSharedBuffer| implementation:
   size_t GetNumBytes() const override;
-  scoped_ptr<PlatformSharedBufferMapping> Map(size_t offset,
-                                              size_t length) override;
+  std::unique_ptr<PlatformSharedBufferMapping> Map(size_t offset,
+                                                   size_t length) override;
   bool IsValidMap(size_t offset, size_t length) override;
-  scoped_ptr<PlatformSharedBufferMapping> MapNoCheck(size_t offset,
-                                                     size_t length) override;
+  std::unique_ptr<PlatformSharedBufferMapping> MapNoCheck(
+      size_t offset,
+      size_t length) override;
   ScopedPlatformHandle DuplicatePlatformHandle() override;
   ScopedPlatformHandle PassPlatformHandle() override;
 
@@ -51,7 +52,8 @@ class MOJO_SYSTEM_IMPL_EXPORT SimplePlatformSharedBuffer final
   bool InitFromPlatformHandle(ScopedPlatformHandle platform_handle);
 
   // The platform-dependent part of |Map()|; doesn't check arguments.
-  scoped_ptr<PlatformSharedBufferMapping> MapImpl(size_t offset, size_t length);
+  std::unique_ptr<PlatformSharedBufferMapping> MapImpl(size_t offset,
+                                                       size_t length);
 
   const size_t num_bytes_;