chromium,electron: fix build with rust 1.89.0 (#434962)

pkgs/applications/networking/browsers/chromium/common.nix

···
       # preventing compilations of chromium with versions below their intended version, not about running the very
       # exact version or even running a newer version.
       ./patches/chromium-136-nodejs-assert-minimal-version-instead-of-exact-match.patch
+    ]
+    ++ lib.optionals (chromiumVersionAtLeast "138") [
+      (fetchpatch {
+        # Unbreak building with Rust 1.89+ which introduced
+        # a new mismatched_lifetime_syntaxes lint.
+        # https://issues.chromium.org/issues/424424323
+        name = "chromium-138-rust-1.86-mismatched_lifetime_syntaxes.patch";
+        # https://chromium-review.googlesource.com/c/chromium/src/+/6658267
+        url = "https://chromium.googlesource.com/chromium/src/+/94a87ff38c51fd1a71980a5051d3553978391608^!?format=TEXT";
+        decode = "base64 -d";
+        includes = [ "build/rust/cargo_crate.gni" ];
+        hash = "sha256-xf1Jq5v3InXkiVH0uT7+h1HPwZse5MDcHKuJNjSLR6k=";
+      })
+    ]
+    ++ lib.optionals (!chromiumVersionAtLeast "138") [
+      # Rebased variant of the patch above for
+      # electron 35 (M134) and 36 (M136)
+      ./patches/chromium-134-rust-1.86-mismatched_lifetime_syntaxes.patch
     ];
 
     postPatch =

pkgs/applications/networking/browsers/chromium/patches/chromium-134-rust-1.86-mismatched_lifetime_syntaxes.patch

···
+diff --git a/build/rust/cargo_crate.gni b/build/rust/cargo_crate.gni
+index 8266c44cbd1dfb8a53797dbe911ea74c32ce070e..ec7d751f2d068151dfeb71aa1f6510483bebd95c 100644
+--- a/build/rust/cargo_crate.gni
++++ b/build/rust/cargo_crate.gni
+@@ -285,6 +285,9 @@ template("cargo_crate") {
+     }
+     rustenv = _rustenv
+
++    # TODO(crbug.com/424424323): Clean up and enable.
++    rustflags += [ "-Amismatched_lifetime_syntaxes" ]
++
+     if (!defined(build_native_rust_unit_tests)) {
+       build_native_rust_unit_tests = _crate_type != "proc-macro"
+     }

pkgs/development/tools/electron/common.nix

···
 
   patches =
     base.patches
-    # Fix building with Rust 1.86+
-    # electron_33 and electron_34 use older chromium versions which expect rust
-    # to provide the older `adler` library instead of the newer `adler2` library
-    # This patch makes those older versions also use the new adler2 library
-    ++ lib.optionals (lib.versionOlder info.version "35") [
-      ./use-rust-adler2.patch
-    ]
-    # Requirements for the next section
-    ++ lib.optionals (lib.versionOlder info.version "35") [
-      (fetchpatch {
-        name = "Avoid-build-rust-PartitionAlloc-dep-when-not-build_with_chromium.patch";
-        url = "https://github.com/chromium/chromium/commit/ee94f376a0dd642a93fbf4a5fa8e7aa8fb2a69b5.patch";
-        hash = "sha256-qGjy9VZ4d3T5AuqOrBKEajBswwBU/7j0n80rpvHZLmM=";
-      })
-      (fetchpatch {
-        name = "Suppress-unsafe_libc_call-warning-for-rust-remap_alloc-cc.patch";
-        url = "https://github.com/chromium/chromium/commit/d5d79d881e74c6c8630f7d2f3affd4f656fdeb4e.patch";
-        hash = "sha256-1oy5WRvNzKuUTJkt8kULUqE4JU+EKEV1PB9QN8HF4SE=";
-      })
-    ]
     # Fix building with Rust 1.87+
     # https://issues.chromium.org/issues/407024458
     ++ lib.optionals (lib.versionOlder info.version "37") [
···
         name = "Dont-apply-FALLTHROUGH-edit-to-gperf-3-2-output.patch";
         url = "https://github.com/chromium/chromium/commit/f8f21fb4aa01f75acbb12abf5ea8c263c6817141.patch";
         hash = "sha256-z/aQ1oQjFZnkUeRnrD6P/WDZiYAI1ncGhOUM+HmjMZA=";
+      })
+    ]
+    # Fix build with Rust 1.89.0
+    ++ lib.optionals (lib.versionOlder info.version "38") [
+      # https://chromium-review.googlesource.com/c/chromium/src/+/6624733
+      (fetchpatch {
+        name = "Define-rust-no-alloc-shim-is-unstable-v2.patch";
+        url = "https://github.com/chromium/chromium/commit/6aae0e2353c857d98980ff677bf304288d7c58de.patch";
+        hash = "sha256-Dd38c/0hiH+PbGPJhhEFuW6kUR45A36XZqOVExoxlhM=";
       })
     ];
 

pkgs/development/tools/electron/use-rust-adler2.patch

···
-diff --git a/build/rust/std/BUILD.gn b/build/rust/std/BUILD.gn
-index 6b996aa1fe3865187d02c017e56c0918bcc9b8f4..68b085be200fa4f116aa709b9157c4d2efdf7d6a 100644
---- a/build/rust/std/BUILD.gn
-+++ b/build/rust/std/BUILD.gn
-@@ -89,7 +89,7 @@ if (toolchain_has_rust) {
-     # These are no longer present in the Windows toolchain.
-     stdlib_files += [
-       "addr2line",
--      "adler",
-+      "adler2",
-       "gimli",
-       "libc",
-       "memchr",