LibGfx+LibGUI+WindowServer: Use move() on Core::AnonymousBuffer more

Userland/Libraries/LibGUI/Window.cpp

@@ -808,7 +808,7 @@ OwnPtr<WindowBackingStore> Window::create_backing_store(const Gfx::IntSize& size
     }
 
     // FIXME: Plumb scale factor here eventually.
-    auto bitmap = Gfx::Bitmap::create_with_anonymous_buffer(format, buffer, size, 1, {});
+    auto bitmap = Gfx::Bitmap::create_with_anonymous_buffer(format, move(buffer), size, 1, {});
     if (!bitmap) {
         VERIFY(size.width() <= INT16_MAX);
         VERIFY(size.height() <= INT16_MAX);

Userland/Libraries/LibGfx/Bitmap.cpp

@@ -193,7 +193,7 @@ RefPtr<Bitmap> Bitmap::create_with_anonymous_buffer(BitmapFormat format, Core::A
     if (size_would_overflow(format, size, scale_factor))
         return nullptr;
 
-    return adopt_ref(*new Bitmap(format, buffer, size, scale_factor, palette));
+    return adopt_ref(*new Bitmap(format, move(buffer), size, scale_factor, palette));
 }
 
 /// Read a bitmap as described by:
@@ -290,7 +290,7 @@ Bitmap::Bitmap(BitmapFormat format, Core::AnonymousBuffer buffer, const IntSize&
     , m_pitch(minimum_pitch(size.width() * scale_factor, format))
     , m_format(format)
     , m_purgeable(true)
-    , m_buffer(buffer)
+    , m_buffer(move(buffer))
 {
     VERIFY(!is_indexed() || !palette.is_empty());
     VERIFY(!size_would_overflow(format, size, scale_factor));
@@ -501,7 +501,7 @@ RefPtr<Bitmap> Bitmap::to_bitmap_backed_by_anonymous_buffer() const
     auto buffer = Core::AnonymousBuffer::create_with_size(round_up_to_power_of_two(size_in_bytes(), PAGE_SIZE));
     if (!buffer.is_valid())
         return nullptr;
-    auto bitmap = Bitmap::create_with_anonymous_buffer(m_format, buffer, size(), scale(), palette_to_vector());
+    auto bitmap = Bitmap::create_with_anonymous_buffer(m_format, move(buffer), size(), scale(), palette_to_vector());
     if (!bitmap)
         return nullptr;
     memcpy(bitmap->scanline(0), scanline(0), size_in_bytes());

Userland/Services/WindowServer/ClientConnection.cpp

@@ -682,7 +682,7 @@ void ClientConnection::set_window_backing_store(i32 window_id, [[maybe_unused]]
         }
         auto backing_store = Gfx::Bitmap::create_with_anonymous_buffer(
             has_alpha_channel ? Gfx::BitmapFormat::BGRA8888 : Gfx::BitmapFormat::BGRx8888,
-            buffer,
+            move(buffer),
             size,
             1,
             {});