Remove dead code from TestBlinkWebUnitTestSupport.

R=sky@chromium.org


Bug: 546640
Change-Id: I597edb708f20b74b54769dee7eaf813606154e17
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1895656
Auto-Submit: Greg Thompson <grt@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711848}

content/test/test_blink_web_unit_test_support.cc

@@ -183,12 +183,6 @@ TestBlinkWebUnitTestSupport::TestBlinkWebUnitTestSupport(
   // Initialize libraries for media.
   media::InitializeMediaLibrary();
 
-  if (!file_system_root_.CreateUniqueTempDir()) {
-    LOG(WARNING) << "Failed to create a temp dir for the filesystem."
-                    "FileSystem feature will be disabled.";
-    DCHECK(file_system_root_.GetPath().empty());
-  }
-
   // Test shell always exposes the GC.
   std::string flags("--expose-gc");
   v8::V8::SetFlagsFromString(flags.c_str(), flags.size());

content/test/test_blink_web_unit_test_support.h

@@ -8,7 +8,6 @@
 #include <memory>
 
 #include "base/compiler_specific.h"
-#include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
@@ -73,7 +72,6 @@ class TestBlinkWebUnitTestSupport : public BlinkPlatformImpl {
   void BindClipboardHost(mojo::ScopedMessagePipeHandle handle);
 
   std::unique_ptr<MockClipboardHost> mock_clipboard_host_;
-  base::ScopedTempDir file_system_root_;
   std::unique_ptr<blink::WebURLLoaderMockFactory> url_loader_factory_;
   std::unique_ptr<blink::scheduler::WebThreadScheduler> main_thread_scheduler_;
   bool threaded_animation_ = true;