Move servoshell code into an internal lib crate (#31439)

* Move servoshell code into an internal lib crate

* Fix name of Android port

ports/servoshell/Cargo.toml

@@ -8,6 +8,11 @@ edition = "2021"
 build = "build.rs"
 publish = false
 
+[lib]
+name = "servoshell"
+path = "lib.rs"
+bench = false
+
 [[bin]]
 name = "servo"
 path = "main.rs"

ports/servoshell/lib.rs

@@ -2,6 +2,44 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+// For Android, see /support/android/apk/ + /ports/jniapi/.
+#![cfg(not(target_os = "android"))]
+
+#[cfg(any(target_os = "macos", target_os = "linux"))]
+#[macro_use]
+extern crate sig;
+
+#[cfg(test)]
+mod test;
+
+mod app;
+mod backtrace;
+mod crash_handler;
+mod egui_glue;
+mod embedder;
+mod events_loop;
+mod geometry;
+mod headed_window;
+mod headless_window;
+mod keyutils;
+mod minibrowser;
+mod parser;
+mod prefs;
+mod resources;
+mod webview;
+mod window_trait;
+
+pub mod platform {
+    #[cfg(target_os = "macos")]
+    pub use crate::platform::macos::deinit;
+
+    #[cfg(target_os = "macos")]
+    pub mod macos;
+
+    #[cfg(not(target_os = "macos"))]
+    pub fn deinit(_clean_shutdown: bool) {}
+}
+
 use std::io::Write;
 use std::{env, panic, process, thread};
 

ports/servoshell/main.rs

@@ -20,52 +20,14 @@
 // mode is turned on.
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
-cfg_if::cfg_if! {
-    if #[cfg(not(target_os = "android"))] {
-        #[cfg(any(target_os = "macos", target_os = "linux"))]
-        #[macro_use]
-        extern crate sig;
-
-        #[cfg(test)]
-        mod test;
-
-        mod app;
-        mod backtrace;
-        mod crash_handler;
-        mod egui_glue;
-        mod embedder;
-        mod events_loop;
-        mod geometry;
-        mod headed_window;
-        mod headless_window;
-        mod keyutils;
-        mod main2;
-        mod minibrowser;
-        mod parser;
-        mod prefs;
-        mod resources;
-        mod webview;
-        mod window_trait;
-
-        pub mod platform {
-            #[cfg(target_os = "macos")]
-            pub use crate::platform::macos::deinit;
-
-            #[cfg(target_os = "macos")]
-            pub mod macos;
-
-            #[cfg(not(target_os = "macos"))]
-            pub fn deinit(_clean_shutdown: bool) {}
-        }
-
-        pub fn main() {
-            main2::main()
-        }
-    } else {
-        pub fn main() {
+fn main() {
+    cfg_if::cfg_if! {
+        if #[cfg(not(target_os = "android"))] {
+            servoshell::main()
+        } else {
             println!(
-                "Cannot start /ports/servo/ on Android. \
-                 Use /support/android/apk/ + /ports/libsimpleservo/ instead"
+                "Cannot start /ports/servoshell/ on Android. \
+                Use /support/android/apk/ + /ports/jniapi/ instead"
             );
         }
     }