[Bindings] Create and use V8 context snapshots

third_party/WebKit/Source/bindings/scripts/scripts.gni

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/WebKit/Source/core/core_idl_files.gni")
 import("//third_party/WebKit/Source/modules/modules_idl_files.gni")
 
 bindings_scripts_dir = get_path_info(".", "abspath")
 bindings_scripts_output_dir = "$root_gen_dir/blink/bindings/scripts"
 
@@ skipping 279 matching lines @@
       # http://crbug.com/358074
       "//third_party/WebKit/Source/bindings/core:interfaces_info_individual_core",
       "//third_party/WebKit/Source/bindings/modules:interfaces_info",
       "//third_party/WebKit/Source/bindings/modules:interfaces_info_individual_modules",
       "//third_party/WebKit/Source/bindings/scripts:cached_jinja_templates",
       "//third_party/WebKit/Source/bindings/scripts:cached_lex_yacc_tables",
     ]
   }
 }
 
+template("idl_reference_table") {
+  action(target_name) {
+    script = "//third_party/WebKit/Source/bindings/scripts/generate_reference_table.py"
+
+    inputs = invoker.sources + [ script ]
+    outputs = invoker.outputs
+
+    response_file_contents = rebase_path(invoker.sources, root_build_dir)
+    args = [
+      "--cache-dir",
+      rebase_path(bindings_scripts_output_dir, root_build_dir),
+      "--output-dir",
+      rebase_path(invoker.output_dir, root_build_dir),
+      "--idl-files-list",
+      "{{response_file_name}}",
+      "--info-dir",
+      rebase_path("$bindings_output_dir", root_build_dir),
+      "--target-component",
+      invoker.target_component,
+    ]
+
+    deps = [
+      "//third_party/WebKit/Source/bindings/core:interfaces_info_individual_core",
+      "//third_party/WebKit/Source/bindings/modules:interfaces_info",
+      "//third_party/WebKit/Source/bindings/modules:interfaces_info_individual_modules",
+      "//third_party/WebKit/Source/bindings/scripts:cached_jinja_templates",
+      "//third_party/WebKit/Source/bindings/scripts:cached_lex_yacc_tables",
+    ]
+  }
+}
+
 # Calls the aggregate_generated_bindings script.
 #
 # Parameters:
 #   sources = a list of source IDL files.
 #   component = a name of directory for these files (one word, no slashes).
 #   outputs = a name of file to write to.
 template("aggregate_generated_bindings") {
   action(target_name) {
     script = "//third_party/WebKit/Source/bindings/scripts/aggregate_generated_bindings.py"
 
@@ skipping 99 matching lines @@
       args += [ rebase_path(output_idl_file, root_build_dir) ]
       output_idl_files += [ output_idl_file ]
       output_header_files +=
           [ "$output_dir/${interface}${component}Constructors.h" ]
     }
 
     outputs = output_idl_files + output_header_files
     deps = invoker.deps
   }
 }