[build] Fix gn check errors for v8windbg

Bug: v8:7330
Change-Id: I4bb602a41f127d4e3201defa3176f7e99e6d3753
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2851894
Commit-Queue: Seth Brenith <seth.brenith@microsoft.com>
Auto-Submit: Dan Elphick <delphick@chromium.org>
Reviewed-by: Seth Brenith <seth.brenith@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#74254}

BUILD.gn

@@ -2284,9 +2284,8 @@ if (v8_generate_external_defines_header) {
 v8_header_set("v8_shared_internal_headers") {
   visibility = [
     ":*",
-    "test/cctest:*",
-    "test/unittests:*",
-    "tools/debug_helper/:*",
+    "test/*",
+    "tools/*",
   ]
   configs = [ ":internal_config" ]
 
@@ -2303,7 +2302,10 @@ v8_header_set("v8_shared_internal_headers") {
 }
 
 v8_header_set("v8_flags") {
-  visibility = [ ":*" ]
+  visibility = [
+    ":*",
+    "tools/*",
+  ]
 
   configs = [ ":internal_config" ]
 

tools/v8windbg/BUILD.gn

@@ -55,6 +55,9 @@ v8_shared_library("v8windbg") {
   deps = [
     ":v8windbg_base",
     "../debug_helper:v8_debug_helper",
+    "//:v8_flags",
+    "//:v8_libbase",
+    "//:v8_shared_internal_headers",
   ]
 }