Use SimpleQueue in WritableStream implementation

.gn

 # This file is used by the GN meta build system to find the root of the source
 # tree and to set startup options. For documentation on the values set in this
 # file, run "gn help dotfile" at the command line.
 
 import("//build/dotfile_settings.gni")
 
 # The location of the build configuration file.
 buildconfig = "//build/config/BUILDCONFIG.gn"
 
 # The secondary source root is a parallel directory tree where
@@ skipping 14 matching lines @@
 # BUILDCONFIG.gn file. That file sets up the global variables like "is_ios".
 # This means that the default_args can not depend on the platform,
 # architecture, or other build parameters. If you really need that, the other
 # repo should define a flag that toggles on a behavior that implements the
 # additional logic required by Chrome to set the variables.
 default_args = {
   v8_extra_library_files = [
     # Dependencies used by the extra libraries. Putting them here causes them
     # to be executed first during snapshot creation.
     "//third_party/WebKit/Source/core/streams/CommonStrings.js",
+    "//third_party/WebKit/Source/core/streams/SimpleQueue.js",
 
     # Extra libraries.
     "//third_party/WebKit/Source/core/streams/ByteLengthQueuingStrategy.js",
     "//third_party/WebKit/Source/core/streams/CountQueuingStrategy.js",
     "//third_party/WebKit/Source/core/streams/ReadableStream.js",
   ]
   v8_experimental_extra_library_files = [
     "//third_party/WebKit/Source/core/streams/ReadableStreamExperimentalPipeTo.js",
     "//third_party/WebKit/Source/core/streams/WritableStream.js",
   ]
@@ skipping 232 matching lines @@
       "//third_party/google_input_tools/inputview.gni",
 
       # CLD2 should be removed soon, delete this when we do.
       "//third_party/cld_2/BUILD.gn",
       "//tools/grit/grit_rule.gni",
 
       # Not gypi-to-gn.
       "//google_apis/BUILD.gn",
       "//printing/BUILD.gn",
     ]