[instrumentation] Introduce JSON5 config files for probe generator.

third_party/WebKit/Source/platform/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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
@@ skipping 115 matching lines @@
                   get_label_info(":character_data_generator($host_toolchain)",
                                  "root_out_dir") + "/character_data_generator",
                   root_build_dir)
   args = [
     generator,
     rebase_path(output_file, root_build_dir),
   ]
 }
 
 action("instrumentation_probes") {
-  script = "probe/InstrumentingProbesCodeGenerator.py"
+  script = "../build/scripts/make_instrumenting_probes.py"
 
   input_file = "probe/PlatformProbes.pidl"
   inputs = [
     input_file,
-    "probe/templates/InstrumentingProbesImpl.cpp.tmpl",
-    "probe/templates/InstrumentingProbesInl.h.tmpl",
-    "probe/templates/ProbeSink.h.tmpl",
+    "probe/PlatformProbes.json5",
+    "../build/scripts/templates/InstrumentingProbesImpl.cpp.tmpl",
+    "../build/scripts/templates/InstrumentingProbesInl.h.tmpl",
+    "../build/scripts/templates/ProbeSink.h.tmpl",
   ]
 
   outputs = [
     "$blink_platform_output_dir/PlatformProbeSink.h",
     "$blink_platform_output_dir/PlatformProbesInl.h",
     "$blink_platform_output_dir/PlatformProbesImpl.cpp",
   ]
 
   args = [
     rebase_path(inputs[0], root_build_dir),
+    "--config",
+    rebase_path("probe/PlatformProbes.json5", root_build_dir),
     "--output_dir",
     rebase_path(blink_platform_output_dir, root_build_dir),
   ]
 }
 
 executable("character_data_generator") {
   sources = [
     "text/CharacterPropertyDataGenerator.cpp",
     "text/CharacterPropertyDataGenerator.h",
   ]
@@ skipping 1992 matching lines @@
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:inside_blink",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }