In abb59f20 these files were moved from shell/platform/common/cpp to
shell/platform/common.

TextRange was missing a namespace declaration and header guards.

* Update Windows linker settings to be compatible with AppContainer when target==winuwp

This fixes 3 memory leaks:

1. Destroys local vulkan buffer collections.
2. Releases image2 resource in Scenic.
3. Deregister buffer collections from Scenic session.
Co-authored-by: NDavid Reveman <reveman@google.com>

Fixes https://github.com/flutter/flutter/issues/73937

This reverts commit 2e10a974.

Currently when creating hidden window and showing it later the content does not get repainted automatically (unless something else triggers the repaint). This adds public `FlutterDesktopViewControllerForceRedraw()` to trigger repaint. The current implementation triggers this via a call to `SendWindowMetrics` but this should eventually be replaced by an embedder API call.

See: https://github.com/flutter/flutter/issues/75319
See: https://github.com/flutter/flutter/issues/69716

This reverts commit 6a2df7f1.

Refactor FlRenderer to platform-independent implementation

Co-authored-by: NMike Reed <reed@google.com>

Fixes the following compilation error:
 ../../flutter/shell/platform/linux/fl_key_event_plugin.cc:189:7:
 error: format specifies type 'long' but the argument has type
 'uint64_t' (aka 'unsigned long long') [-Werror,-Wformat]

* Windows: Add CoreWindow implementation of FlutterWindowsView (Flutter#70205)

The old way of allocating images meant that one would have to make
sure that Scenic and Flutter were using exactly the same pixel
formats. This patch removes the old image allocation and replaces
it with a sysmem API that uses buffer collections instead. This
permits a smooth negotiation of formats between the two systems.