[instrumentation] Introduce JSON5 config files for probe generator.

third_party/WebKit/Source/core/probe/BUILD.gn

Index: third_party/WebKit/Source/core/probe/BUILD.gn
diff --git a/third_party/WebKit/Source/core/probe/BUILD.gn b/third_party/WebKit/Source/core/probe/BUILD.gn
index e6cffeb78a23df5895daf1f37f48179ee660d0ba..05eb767bb4300c493f0a44f0b64187b1f1fd062f 100644
--- a/third_party/WebKit/Source/core/probe/BUILD.gn
+++ b/third_party/WebKit/Source/core/probe/BUILD.gn
@@ -12,16 +12,14 @@ blink_core_sources("probe") {
 }
 
 action("instrumentation_probes") {
-  script = "../../platform/probe/InstrumentingProbesCodeGenerator.py"
+  script = "../../build/scripts/make_instrumenting_probes.py"
 
   inputs = [
-    # Input file for the script.
     "CoreProbes.pidl",
-
-    # Templates
-    "../../platform/probe/templates/InstrumentingProbesImpl.cpp.tmpl",
-    "../../platform/probe/templates/InstrumentingProbesInl.h.tmpl",
-    "../../platform/probe/templates/ProbeSink.h.tmpl",
+    "CoreProbes.json5",
+    "../../build/scripts/templates/InstrumentingProbesImpl.cpp.tmpl",
+    "../../build/scripts/templates/InstrumentingProbesInl.h.tmpl",
+    "../../build/scripts/templates/ProbeSink.h.tmpl",
   ]
 
   outputs = [
@@ -33,6 +31,8 @@ action("instrumentation_probes") {
 
   args = [
     rebase_path(inputs[0], root_build_dir),
+    "--config",
+    rebase_path("CoreProbes.json5", root_build_dir),
     "--output_dir",
     rebase_path(blink_core_output_dir, root_build_dir),
   ]