build: consolidate gn templates (#34918)

build/asar.gni

@@ -1,33 +1,22 @@
-import("node.gni")
+template("node_action") {
+  assert(defined(invoker.script), "Need script path to run")
+  assert(defined(invoker.args), "Need script arguments")
 
-# TODO(MarshallOfSound): Move to electron/node, this is the only place it is used now
-# Run an action with a given working directory. Behaves identically to the
-# action() target type, with the exception that it changes directory before
-# running the script.
-#
-# Parameters:
-#   cwd [required]: Directory to change to before running the script.
-template("chdir_action") {
   action(target_name) {
     forward_variables_from(invoker,
-                           "*",
                            [
-                             "script",
-                             "args",
+                             "deps",
+                             "public_deps",
+                             "sources",
+                             "inputs",
+                             "outputs",
                            ])
-    assert(defined(cwd), "Need cwd in $target_name")
-    script = "//electron/build/run-in-dir.py"
-    if (defined(sources)) {
-      sources += [ invoker.script ]
-    } else {
-      assert(defined(inputs))
-      inputs += [ invoker.script ]
+    if (!defined(inputs)) {
+      inputs = []
     }
-    args = [
-      rebase_path(cwd),
-      rebase_path(invoker.script),
-    ]
-    args += invoker.args
+    inputs += [ invoker.script ]
+    script = "//electron/build/run-node.py"
+    args = [ rebase_path(invoker.script) ] + invoker.args
   }
 }
 

build/node.gni

@@ -1,21 +0,0 @@
-template("node_action") {
-  assert(defined(invoker.script), "Need script path to run")
-  assert(defined(invoker.args), "Need script arguments")
-
-  action(target_name) {
-    forward_variables_from(invoker,
-                           [
-                             "deps",
-                             "public_deps",
-                             "sources",
-                             "inputs",
-                             "outputs",
-                           ])
-    if (!defined(inputs)) {
-      inputs = []
-    }
-    inputs += [ invoker.script ]
-    script = "//electron/build/run-node.py"
-    args = [ rebase_path(invoker.script) ] + invoker.args
-  }
-}

patches/node/build_add_gn_build_files.patch

@@ -7,12 +7,12 @@ This adds GN build files for Node, so we don't have to build with GYP.
 
 diff --git a/BUILD.gn b/BUILD.gn
 new file mode 100644
-index 0000000000000000000000000000000000000000..4afca42d22ee702af50da92aa08c1de897891424
+index 0000000000000000000000000000000000000000..9e34a074cfa7dec61c4e11821ba5f1969f393dfb
 --- /dev/null
 +++ b/BUILD.gn
 @@ -0,0 +1,403 @@
-+import("//electron/build/asar.gni")
 +import("//v8/gni/v8.gni")
++import("node.gni")
 +
 +declare_args() {
 +  # Enable the V8 inspector protocol for use with node.
@@ -1593,6 +1593,41 @@ index 0000000000000000000000000000000000000000..a2cfdffcd7308b73c5c302ebc4b946c6
 +    "//v8/include/v8.h"
 +  ]
 +}
+diff --git a/node.gni b/node.gni
+new file mode 100644
+index 0000000000000000000000000000000000000000..9b1a4048a4a64c36d88de0bbe1a548c906aaa22c
+--- /dev/null
++++ b/node.gni
+@@ -0,0 +1,29 @@
++# Run an action with a given working directory. Behaves identically to the
++# action() target type, with the exception that it changes directory before
++# running the script.
++#
++# Parameters:
++#   cwd [required]: Directory to change to before running the script.
++template("chdir_action") {
++  action(target_name) {
++    forward_variables_from(invoker,
++                           "*",
++                           [
++                             "script",
++                             "args",
++                           ])
++    assert(defined(cwd), "Need cwd in $target_name")
++    script = "//electron/build/run-in-dir.py"
++    if (defined(sources)) {
++      sources += [ invoker.script ]
++    } else {
++      assert(defined(inputs))
++      inputs += [ invoker.script ]
++    }
++    args = [
++      rebase_path(cwd),
++      rebase_path(invoker.script),
++    ]
++    args += invoker.args
++  }
++}
 diff --git a/src/inspector/BUILD.gn b/src/inspector/BUILD.gn
 new file mode 100644
 index 0000000000000000000000000000000000000000..d1d6b51e8c0c5bc6a5d09e217eb3048361d9d591