Avoid string allocation when parsing CSSPrimitiveValue::UnitType

third_party/WebKit/Source/core/BUILD.gn

 # 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("//build/config/chrome_build.gni")
 import("//build/config/ui.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/bindings/core/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/modules/modules.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/generated.gni")
@@ skipping 325 matching lines @@
 
   # IDL dictionary impl files generated by IDL compiler
   sources += generated_core_dictionary_files
 
   sources += [
     # Additional .cpp files for HashTools.h
     "$blink_core_output_dir/CSSPropertyNames.cpp",
     "$blink_core_output_dir/CSSValueKeywords.cpp",
 
     # Additional .cpp files from make_core_generated actions.
+    "$blink_core_output_dir/CSSPrimitiveValueUnitTrie.cpp",
     "$blink_core_output_dir/Event.cpp",
     "$blink_core_output_dir/EventHeaders.h",
     "$blink_core_output_dir/EventNames.cpp",
     "$blink_core_output_dir/EventNames.h",
     "$blink_core_output_dir/EventTargetNames.cpp",
     "$blink_core_output_dir/EventTargetNames.h",
     "$blink_core_output_dir/EventTypeNames.cpp",
     "$blink_core_output_dir/EventTypeNames.h",
     "$blink_core_output_dir/HTMLElementFactory.cpp",
     "$blink_core_output_dir/HTMLElementFactory.h",
@@ skipping 193 matching lines @@
     "$rel_blink_core_gen_dir/testing",
   ]
 }
 
 # make_core_generated ----------------------------------------------------------
 
 # GYP version: WebKit/Source/core/core_generated.gyp:make_core_generated
 group("make_core_generated") {
   public_deps = [
     ":make_core_generated_bison",
+    ":make_core_generated_css_primitive_value_unit_trie",
     ":make_core_generated_css_property_metadata",
     ":make_core_generated_css_property_names",
     ":make_core_generated_css_tokenizer_codepoints",
     ":make_core_generated_css_value_keywords",
     ":make_core_generated_cssom_types",
     ":make_core_generated_event_factory",
     ":make_core_generated_event_names",
     ":make_core_generated_event_target_names",
     ":make_core_generated_event_type_names",
     ":make_core_generated_fetch_initiator_type_names",
@@ skipping 385 matching lines @@
   ]
 
   args = [
     "--output_dir",
     rel_blink_core_gen_dir,
   ]
 
   deps = make_core_generated_deps
 }
 
+# "CSSPrimitiveValueUnitTrie" in make_core_generated from GYP.
+action("make_core_generated_css_primitive_value_unit_trie") {
+  visibility = []  # Allow re-assignment of list.
+  visibility = [ ":make_core_generated" ]
+  script = "../build/scripts/make_css_primitive_value_unit_trie.py"
+
+  input_file = "css/CSSPrimitiveValueUnits.in"
+  inputs = make_trie_helpers_files + [
+             input_file,
+             "../build/scripts/templates/CSSPrimitiveValueUnitTrie.cpp.tmpl",
+           ]
+  outputs = [
+    "$blink_core_output_dir/CSSPrimitiveValueUnitTrie.cpp",
+  ]
+
+  args = [
+    rebase_path(input_file, root_build_dir),
+    "--output_dir",
+    rel_blink_core_gen_dir,
+  ]
+
+  deps = make_core_generated_deps
+}
+
 # "HTMLElementLookupTrie" in make_core_generated from GYP.
 action("make_core_generated_html_element_lookup_trie") {
   visibility = []  # Allow re-assignment of list.
   visibility = [ ":make_core_generated" ]
   script = "../build/scripts/make_element_lookup_trie.py"
 
   input_file = "html/HTMLTagNames.in"
   inputs = make_trie_helpers_files + [
              input_file,
              "../build/scripts/templates/ElementLookupTrie.cpp.tmpl",
@@ skipping 46 matching lines @@
     "$blink_core_output_dir/{{source_name_part}}.h",
   ]
   args = [
     "{{source}}",
     rel_blink_core_gen_dir,
     bison_exe,
   ]
 
   deps = make_core_generated_deps
 }