Thin Windows runtime globals and legacy GLFW hooks

src/platform_windows/windows_runtime_shell.cpp

@@ -3,7 +3,6 @@
 #include "platform_windows/windows_runtime_shell.h"
 
 #include "app.h"
-#include "app_runtime.h"
 #include "log.h"
 #include "platform_windows/windows_bootstrap_helpers.h"
 #include "platform_windows/windows_lifecycle_shell.h"
@@ -20,7 +19,6 @@ namespace {
 struct RetainedWindowsRuntimeState final {
     std::unique_ptr<App> owned_app;
     App* app = nullptr;
-    AppRuntime* runtime = nullptr;
     WacomTablet* tablet = nullptr;
 };
 
@@ -42,10 +40,9 @@ void register_touch_window(HWND hWnd)
 void initialize_runtime_threads()
 {
     auto* app = bound_app();
-    auto* runtime = bound_runtime();
     mark_lifecycle_running();
-    runtime->render_thread_start(*app);
-    runtime->ui_thread_start(*app);
+    app->runtime().render_thread_start(*app);
+    app->runtime().ui_thread_start(*app);
 }
 
 void install_debug_gl_callbacks()
@@ -136,21 +133,10 @@ App* bound_app() noexcept
 void release_bound_app() noexcept
 {
     auto& state = retained_runtime_state();
-    bind_runtime(nullptr);
     bind_app(nullptr);
     state.owned_app.reset();
 }
 
-void bind_runtime(AppRuntime* runtime) noexcept
-{
-    retained_runtime_state().runtime = runtime;
-}
-
-AppRuntime* bound_runtime() noexcept
-{
-    return retained_runtime_state().runtime;
-}
-
 void bind_wacom_tablet(WacomTablet* tablet) noexcept
 {
     retained_runtime_state().tablet = tablet;
@@ -190,7 +176,6 @@ int run_main_application(int argc, char** argv)
     runtime_state.owned_app = std::make_unique<App>();
     auto* app = runtime_state.owned_app.get();
     bind_app(app);
-    bind_runtime(&app->runtime());
     bind_wacom_tablet(&WacomTablet::I);
     app->set_platform_services(&pp::platform::windows::platform_services());
     app->initLog();