Add warmup and sandbox file-read permission for testing

third_party/WebKit/Source/modules/BUILD.gn

Index: third_party/WebKit/Source/modules/BUILD.gn
diff --git a/third_party/WebKit/Source/modules/BUILD.gn b/third_party/WebKit/Source/modules/BUILD.gn
index 3c4fc2af69322534bd58c290df66dbd9306e1292..4c56845200f6984c4ae27255c7ae3f5dac5f1171 100644
--- a/third_party/WebKit/Source/modules/BUILD.gn
+++ b/third_party/WebKit/Source/modules/BUILD.gn
@@ -165,6 +165,14 @@ target(modules_target_type, "modules") {
     cflags = [ "/wd4334" ]  # Result of 32-bit shift implicitly converted to 64 bits.
   }
 
+  if (is_mac) {
+    libs = [
+      "Carbon.framework",
+      "Foundation.framework",
+      "QuartzCore.framework",
+    ]
+  }
+
   if (remove_webcore_debug_symbols) {
     configs -= [ "//build/config/compiler:default_symbols" ]
     configs += [ "//build/config/compiler:no_symbols" ]