parser fuzzer and parser shell should also work in component builds

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 83816842fb424de68d9f543b6cdb9dee9963b029..5b6a752839586ac5d7110f8cfa572d1426f0503e 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -2389,32 +2389,6 @@ v8_source_set("fuzzer_support") {
   ]
 }
 
-# Used by fuzzers that would require exposing too many symbols for a proper
-# component build.
-v8_source_set("fuzzer_support_nocomponent") {
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
-
-  sources = [
-    "test/fuzzer/fuzzer-support.cc",
-    "test/fuzzer/fuzzer-support.h",
-  ]
-
-  configs = [ ":internal_config_base" ]
-
-  deps = [
-    ":v8_maybe_snapshot",
-  ]
-
-  if (is_component_build) {
-    defines = [ "BUILDING_V8_SHARED" ]
-  }
-
-  public_deps = [
-    ":v8_libbase",
-    ":v8_libplatform",
-  ]
-}
-
 v8_source_set("simple_fuzzer") {
   sources = [
     "test/fuzzer/fuzzer.cc",
@@ -2651,36 +2625,16 @@ v8_executable("v8_parser_shell") {
   ]
 
   deps = [
+    ":v8",
     ":v8_libbase",
     ":v8_libplatform",
     "//build/config/sanitizers:deps",
     "//build/win:default_exe_manifest",
   ]
 
-  defines = []
-
-  if (is_component_build) {
-    # v8_parser_shell can't be built against a shared library, so we
-    # need to depend on the underlying static target in that case.
-    deps += [ ":v8_maybe_snapshot" ]
-    defines += [ "BUILDING_V8_SHARED" ]
-  } else {
-    deps += [ ":v8" ]
-  }
-
   if (v8_enable_i18n_support) {
     deps += [ "//third_party/icu" ]
   }
-
-  if (is_win) {
-    # Suppress warnings about importing locally defined symbols.
-    if (is_component_build) {
-      ldflags = [
-        "/ignore:4049",
-        "/ignore:4217",
-      ]
-    }
-  }
 }
 
 if (want_v8_shell) {
@@ -2748,13 +2702,9 @@ v8_source_set("parser_fuzzer") {
   ]
 
   deps = [
-    ":fuzzer_support_nocomponent",
+    ":fuzzer_support",
   ]
 
-  if (is_component_build) {
-    defines = [ "BUILDING_V8_SHARED" ]
-  }
-
   configs = [
     ":external_config",
     ":internal_config_base",