Include proto descriptor as a resource

Bug: 156903151
Change-Id: I45898f934ba8b8487532cd452bbb59eca7b644ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2366723
Commit-Queue: Andrew Shulaev <ddrone@google.com>
Reviewed-by: Samuel Huang <huangs@chromium.org>
Reviewed-by: Eric Seckler <eseckler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#802617}

base/tracing/protos/BUILD.gn

@@ -3,12 +3,27 @@
 # found in the LICENSE file.
 
 import("//third_party/protobuf/proto_library.gni")
+import("//tools/grit/grit_rule.gni")
 
 proto_library("chrome_track_event") {
   proto_in_dir = "//"
+  proto_out_dir = "base/tracing/protos"
   import_dirs = [ "//third_party/perfetto/" ]
   sources = [ "chrome_track_event.proto" ]
   generate_cc = false
   generate_python = false
   generate_descriptor = "chrome_track_event.descriptor"
 }
+
+grit("chrome_track_event_resources") {
+  source = "resources.grd"
+  outputs = [
+    "grit/tracing_proto_resources.h",
+    "tracing_proto_resources.pak",
+  ]
+  deps = [ ":chrome_track_event" ]
+  grit_flags = [
+    "-E",
+    "root_gen_dir=" + rebase_path(root_gen_dir, root_build_dir),
+  ]
+}

base/tracing/protos/resources.grd

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<grit base_dir="." latest_public_release="0" current_release="1">
+  <outputs>
+    <output filename="grit/tracing_proto_resources.h" type="rc_header" />
+    <output filename="tracing_proto_resources.pak" type="data_package" />
+  </outputs>
+  <release seq="1">
+    <includes>
+      <include
+          name="chrome_track_event_descriptor"
+          file="${root_gen_dir}/base/tracing/protos/chrome_track_event.descriptor"
+          type="BINDATA"
+          compress="gzip"
+          use_base_dir="false" />
+    </includes>
+  </release>
+</grit>

tools/gritsettings/resource_ids.spec

@@ -536,6 +536,9 @@
   "ash/public/cpp/resources/ash_public_unscaled_resources.grd": {
     "includes": [3140],
   },
+  "base/tracing/protos/resources.grd": {
+    "includes": [3150],
+  },
   "chromecast/renderer/resources/extensions_renderer_resources.grd": {
     "includes": [3160],
   },