IDL: Add build target for IDL dictionary impl generation in core

Source/bindings/dictionaries.gypi

Index: Source/bindings/dictionaries.gypi
diff --git a/Source/bindings/dictionaries.gypi b/Source/bindings/dictionaries.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..46f8b6d71d40522bd615a9669c1e9b09f2faf3f9
--- /dev/null
+++ b/Source/bindings/dictionaries.gypi
@@ -0,0 +1,55 @@
+# Copyright (c) 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.
+
+{
+  'includes': [
+    'bindings.gypi',
+    # Do not depend on this, see http://crbug.com/358074
+    'modules/modules.gypi',
+    'scripts/scripts.gypi',
+  ],
+  'dependencies': [
+    '<(bindings_scripts_dir)/scripts.gyp:cached_jinja_templates',
+    '<(bindings_scripts_dir)/scripts.gyp:cached_lex_yacc_tables',
+    # FIXME: should be interfaces_info_core (w/o modules)
+    # http://crbug.com/358074
+    '<(bindings_scripts_dir)/../modules/generated.gyp:interfaces_info',
+  ],
+  'rules': [{
+    'rule_name': 'idl_dictionary',
+    'extension': 'idl',
+    'msvs_external_rule': 1,
+    'inputs': [
+      # Comments in Source/bindings/core/v8/generated.gypi describe why this
+      # rule depend on these.
+      '<@(idl_lexer_parser_files)',
+      '<@(idl_compiler_files)',
+      '<(bindings_scripts_output_dir)/lextab.py',
+      '<(bindings_scripts_output_dir)/parsetab.pickle',
+      '<(bindings_scripts_output_dir)/cached_jinja_templates.stamp',
+      '<(bindings_dir)/IDLExtendedAttributes.txt',
+      '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
+    ],
+    'outputs': [
+      '<(SHARED_INTERMEDIATE_DIR)/<(RULE_INPUT_DIRNAME)/<(RULE_INPUT_ROOT).cpp',
+      '<(SHARED_INTERMEDIATE_DIR)/<(RULE_INPUT_DIRNAME)/<(RULE_INPUT_ROOT).h',
+    ],
+    'action': [
+      'python',
+      '-S',  # skip 'import site' to speed up startup
+      '<(bindings_scripts_dir)/idl_compiler.py',
+      '--cache-dir',
+      '<(bindings_scripts_output_dir)',
+      '--output-dir',
+      '<(SHARED_INTERMEDIATE_DIR)/blink/',
+      '--interfaces-info',
+      '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
+      '--write-file-only-if-changed',
+      '<(write_file_only_if_changed)',
+      '--generate-dictionary-impl',
+      '<(RULE_INPUT_PATH)',
+    ],
+    'message': 'Generating dictionary impl from <(RULE_INPUT_PATH)',
+  }],
+}