Meta: Port recent build changes to gn build

This ports the following commits:

848ec538c6
703c2bb06e
27dd2a40ad
daefe744ba
9812031a02
4c0816b002
8bb275f2ea
3f122b7335

Meta/gn/secondary/Userland/Libraries/LibWeb/CSS/BUILD.gn

@@ -56,6 +56,7 @@ source_set("CSS") {
     "StyleSheetList.cpp",
     "StyleValue.cpp",
     "Supports.cpp",
+    "SystemColor.cpp",
     "Time.cpp",
     "VisualViewport.cpp",
   ]

Meta/gn/secondary/Userland/Libraries/LibWeb/CSS/StyleValues/BUILD.gn

@@ -22,6 +22,7 @@ source_set("StyleValues") {
     "FlexStyleValue.cpp",
     "FontStyleValue.cpp",
     "GridAreaShorthandStyleValue.cpp",
+    "GridAutoFlowStyleValue.cpp",
     "GridTemplateAreaStyleValue.cpp",
     "GridTrackPlacementShorthandStyleValue.cpp",
     "GridTrackPlacementStyleValue.cpp",

Meta/gn/secondary/Userland/Libraries/LibWeb/DOM/BUILD.gn

@@ -26,6 +26,7 @@ source_set("DOM") {
     "EventDispatcher.cpp",
     "EventTarget.cpp",
     "HTMLCollection.cpp",
+    "HTMLFormControlsCollection.cpp",
     "IDLEventListener.cpp",
     "LiveNodeList.cpp",
     "MutationObserver.cpp",
@@ -41,6 +42,7 @@ source_set("DOM") {
     "Position.cpp",
     "ProcessingInstruction.cpp",
     "QualifiedName.cpp",
+    "RadioNodeList.cpp",
     "Range.cpp",
     "ShadowRoot.cpp",
     "StaticNodeList.cpp",

Meta/gn/secondary/Userland/Libraries/LibWeb/HTML/BUILD.gn

@@ -131,6 +131,7 @@ source_set("HTML") {
     "NavigationTransition.cpp",
     "Navigator.cpp",
     "NavigatorID.cpp",
+    "Numbers.cpp",
     "PageTransitionEvent.cpp",
     "Path2D.cpp",
     "Plugin.cpp",

Meta/gn/secondary/Userland/Libraries/LibWeb/Layout/BUILD.gn

@@ -42,6 +42,7 @@ source_set("Layout") {
     "SVGSVGBox.cpp",
     "SVGTextBox.cpp",
     "TableFormattingContext.cpp",
+    "TableGrid.cpp",
     "TableWrapper.cpp",
     "TextNode.cpp",
     "TreeBuilder.cpp",

Meta/gn/secondary/Userland/Libraries/LibWeb/Painting/BUILD.gn

@@ -35,5 +35,6 @@ source_set("Painting") {
     "TableBordersPainting.cpp",
     "TextPaintable.cpp",
     "VideoPaintable.cpp",
+    "ViewportPaintable.cpp",
   ]
 }

Meta/gn/secondary/Userland/Libraries/LibWeb/idl_files.gni

@@ -59,6 +59,7 @@ standard_idl_files = [
   "//Userland/Libraries/LibWeb/DOM/Event.idl",
   "//Userland/Libraries/LibWeb/DOM/EventTarget.idl",
   "//Userland/Libraries/LibWeb/DOM/HTMLCollection.idl",
+  "//Userland/Libraries/LibWeb/DOM/HTMLFormControlsCollection.idl",
   "//Userland/Libraries/LibWeb/DOM/MutationRecord.idl",
   "//Userland/Libraries/LibWeb/DOM/MutationObserver.idl",
   "//Userland/Libraries/LibWeb/DOM/NamedNodeMap.idl",
@@ -67,6 +68,7 @@ standard_idl_files = [
   "//Userland/Libraries/LibWeb/DOM/NodeIterator.idl",
   "//Userland/Libraries/LibWeb/DOM/NodeList.idl",
   "//Userland/Libraries/LibWeb/DOM/ProcessingInstruction.idl",
+  "//Userland/Libraries/LibWeb/DOM/RadioNodeList.idl",
   "//Userland/Libraries/LibWeb/DOM/Range.idl",
   "//Userland/Libraries/LibWeb/DOM/ShadowRoot.idl",
   "//Userland/Libraries/LibWeb/DOM/StaticRange.idl",

Meta/gn/secondary/Userland/Libraries/LibWebView/BUILD.gn

@@ -1,4 +1,5 @@
 import("//Meta/gn/build/compiled_action.gni")
+import("//Meta/gn/build/embed_as_string_view.gni")
 
 compiled_action("WebContentClientEndpoint") {
   tool = "//Meta/Lagom/Tools/CodeGenerators/IPCCompiler"
@@ -44,6 +45,13 @@ compiled_action("WebDriverServerEndpoint") {
   ]
 }
 
+embed_as_string_view("generate_native_stylesheet_source") {
+  input = "Native.css"
+  output = "$target_gen_dir/NativeStyleSheetSource.cpp"
+  variable_name = "native_stylesheet_source"
+  namespace = "WebView"
+}
+
 shared_library("LibWebView") {
   output_name = "webview"
   include_dirs = [
@@ -56,6 +64,7 @@ shared_library("LibWebView") {
     ":WebContentServerEndpoint",
     ":WebDriverClientEndpoint",
     ":WebDriverServerEndpoint",
+    ":generate_native_stylesheet_source",
     "//AK",
     "//Userland/Libraries/LibCore",
     "//Userland/Libraries/LibGUI",
@@ -76,5 +85,6 @@ shared_library("LibWebView") {
   sources += get_target_outputs(":WebContentClientEndpoint") +
              get_target_outputs(":WebContentServerEndpoint") +
              get_target_outputs(":WebDriverClientEndpoint") +
-             get_target_outputs(":WebDriverServerEndpoint")
+             get_target_outputs(":WebDriverServerEndpoint") +
+             get_target_outputs(":generate_native_stylesheet_source")
 }