CodeGen: Make code_generator run on all IDL dictionaries

If you set |use_bind_gen_for_dictionary| true in your gn args,
the build target "generate_bindings_example" generates code for all IDL
dictionaries.


Bug: 839389
Change-Id: I9935e3a0a4339a3f4182dfd24d4ad9830e7b0144
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1971044
Commit-Queue: Hitoshi Yoshida <peria@chromium.org>
Reviewed-by: Yuki Shiino <yukishiino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#726717}

third_party/blink/renderer/bindings/core/v8/BUILD.gn

@@ -26,6 +26,7 @@ generate_origin_trial_features("bindings_core_origin_trial_features") {
 group("bindings_core_v8_generated") {
   public_deps = [
     ":bindings_core_impl_generated",
+    "//third_party/blink/renderer/bindings:generate_v8_bindings",
   ]
   if (is_win && is_official_build) {
     public_deps += [ ":generate_bindings_core_v8_all_interfaces" ]

third_party/blink/renderer/bindings/modules/v8/BUILD.gn

@@ -18,6 +18,7 @@ group("bindings_modules_v8_generated") {
     ":generate_bindings_modules_v8_partial_interfaces",
     ":generate_bindings_modules_v8_partial_interfaces_for_testing",
     ":generate_v8_context_snapshot_external_references",
+    "//third_party/blink/renderer/bindings:generate_v8_bindings",
   ]
 }
 

third_party/blink/renderer/bindings/scripts/bind_gen/dictionary.py

@@ -662,9 +662,8 @@ def generate_dictionary_cc_file(dictionary):
         enclose_with_namespace(code_node, name_style.namespace("blink")),
     ])
 
-    filename = "example_dictionary.cc"
     filepath = PathManager.gen_path_to(
-        PathManager(dictionary).dict_path(filename=filename))
+        PathManager(dictionary).dict_path(ext="cc"))
     write_code_node_to_file(root_node, filepath)
 
 
@@ -726,14 +725,12 @@ def generate_dictionary_h_file(dictionary):
         header_guard_node,
     ])
 
-    filename = "example_dictionary.h"
     filepath = PathManager.gen_path_to(
-        PathManager(dictionary).dict_path(filename=filename))
+        PathManager(dictionary).dict_path(ext="h"))
     write_code_node_to_file(root_node, filepath)
 
 
 def generate_dictionaries(web_idl_database):
-    dictionary = web_idl_database.find("InternalDictionary")
-
-    generate_dictionary_cc_file(dictionary)
-    generate_dictionary_h_file(dictionary)
+    for dictionary in web_idl_database.dictionaries:
+        generate_dictionary_cc_file(dictionary)
+        generate_dictionary_h_file(dictionary)