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

mojo/edk/embedder/simple_platform_shared_buffer.cc

Index: mojo/edk/embedder/simple_platform_shared_buffer.cc
diff --git a/mojo/edk/embedder/simple_platform_shared_buffer.cc b/mojo/edk/embedder/simple_platform_shared_buffer.cc
index 866250c9f03c08a92b430f0ecb0a92d0f5b480d8..cb4ae3d61d1f1133036975915705fa2d403d26c2 100644
--- a/mojo/edk/embedder/simple_platform_shared_buffer.cc
+++ b/mojo/edk/embedder/simple_platform_shared_buffer.cc
@@ -48,7 +48,7 @@ size_t SimplePlatformSharedBuffer::GetNumBytes() const {
   return num_bytes_;
 }
 
-scoped_ptr<PlatformSharedBufferMapping> SimplePlatformSharedBuffer::Map(
+std::unique_ptr<PlatformSharedBufferMapping> SimplePlatformSharedBuffer::Map(
     size_t offset,
     size_t length) {
   if (!IsValidMap(offset, length))
@@ -69,9 +69,8 @@ bool SimplePlatformSharedBuffer::IsValidMap(size_t offset, size_t length) {
   return true;
 }
 
-scoped_ptr<PlatformSharedBufferMapping> SimplePlatformSharedBuffer::MapNoCheck(
-    size_t offset,
-    size_t length) {
+std::unique_ptr<PlatformSharedBufferMapping>
+SimplePlatformSharedBuffer::MapNoCheck(size_t offset, size_t length) {
   DCHECK(IsValidMap(offset, length));
   return MapImpl(offset, length);
 }