Initial patch for the web modules layered platform proposal.

Source/bindings/scripts/scripts.gni

Index: Source/bindings/scripts/scripts.gni
diff --git a/Source/bindings/scripts/scripts.gni b/Source/bindings/scripts/scripts.gni
index ab5b6127c7ca0a213735cd7c1e460f79332be3d6..34c4b322501593f81b76c0db3d48db6d7170e8a6 100644
--- a/Source/bindings/scripts/scripts.gni
+++ b/Source/bindings/scripts/scripts.gni
@@ -118,6 +118,8 @@ template("generate_event_interfaces") {
 #   output_dir = string containing the directory to put the output files.
 #   output_name_suffix = a suffix after the basename of the output file names.
 #   target_component = component to generate code for.
+#   is_web_modules = whether to generate C++ bindings for webmodules
+#       or JS bindings for the web.
 template("idl_compiler") {
   output_dir = invoker.output_dir
   output_name_suffix = invoker.output_name_suffix
@@ -152,10 +154,18 @@ template("idl_compiler") {
     inputs += all_dependency_idl_files
 
     sources = invoker.sources
-    outputs = [
-      "$output_dir/V8{{source_name_part}}${output_name_suffix}.cpp",
-      "$output_dir/V8{{source_name_part}}${output_name_suffix}.h",
-    ]
+
+    if (invoker.is_web_modules) {
+      outputs = [
+        "$output_dir/webmodules/WebModule{{source_name_part}}${output_name_suffix}.cpp",
+        "$output_dir/webmodules/WebModule{{source_name_part}}${output_name_suffix}.h",
+      ]
+    } else {
+      outputs = [
+        "$output_dir/v8/V8{{source_name_part}}${output_name_suffix}.cpp",
+        "$output_dir/v8/V8{{source_name_part}}${output_name_suffix}.h",
+      ]
+    }
 
     args = [
       "--cache-dir",
@@ -167,9 +177,13 @@ template("idl_compiler") {
       "--write-file-only-if-changed=1",  # Always true for Ninja.
       "--target-component",
       invoker.target_component,
-      "{{source}}",
     ]
 
+    if (invoker.is_web_modules) {
+      args += [ "--web-modules" ]
+    }
+    args += [ "{{source}}" ]
+
     public_deps = [
       "//third_party/WebKit/Source/bindings/core:core_global_constructors_idls",
       # FIXME: should be interfaces_info_core (w/o modules)