[gn] Fix gn targets for tools

This switches a few underscores to dashes to match the infra-
side definitions.

BUG=chromium:474921
TBR=vogelheim@chromium.org, jochen@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2045543002
Cr-Commit-Position: refs/heads/master@{#36753}

tools/BUILD.gn

@@ -9,16 +9,16 @@ group("gn_all") {
 
   if (v8_test_isolation_mode != "noop") {
     deps = [
-      ":check_static_initializers_run",
+      ":check-static-initializers_run",
       ":jsfunfuzz_run",
-      ":run_deopt_fuzzer_run",
-      ":run_gcmole_run",
-      ":run_valgrind_run",
+      ":run-deopt-fuzzer_run",
+      ":run-gcmole_run",
+      ":run-valgrind_run",
     ]
   }
 }
 
-v8_isolate_run("check_static_initializers") {
+v8_isolate_run("check-static-initializers") {
   deps = [
     "..:d8_run",
   ]
@@ -34,7 +34,7 @@ v8_isolate_run("jsfunfuzz") {
   isolate = "jsfunfuzz/jsfunfuzz.isolate"
 }
 
-v8_isolate_run("run_deopt_fuzzer") {
+v8_isolate_run("run-deopt-fuzzer") {
   deps = [
     "..:d8_run",
   ]
@@ -42,7 +42,7 @@ v8_isolate_run("run_deopt_fuzzer") {
   isolate = "run-deopt-fuzzer.isolate"
 }
 
-v8_isolate_run("run_gcmole") {
+v8_isolate_run("run-gcmole") {
   deps = [
     "..:d8_run",
   ]
@@ -50,7 +50,7 @@ v8_isolate_run("run_gcmole") {
   isolate = "gcmole/run-gcmole.isolate"
 }
 
-v8_isolate_run("run_valgrind") {
+v8_isolate_run("run-valgrind") {
   deps = [
     "..:d8_run",
   ]