Stop calling blink::shutdown in content/ tests

content/test/test_blink_web_unit_test_support.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/test/test_blink_web_unit_test_support.h"
 
 #include "base/feature_list.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 135 matching lines @@
   // Test shell always exposes the GC.
   std::string flags("--expose-gc");
   v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
 }
 
 TestBlinkWebUnitTestSupport::~TestBlinkWebUnitTestSupport() {
   url_loader_factory_.reset();
   mock_clipboard_.reset();
   if (renderer_scheduler_)
     renderer_scheduler_->Shutdown();
-  blink::shutdown();
 
   // Clear the FeatureList that was registered in the constructor.
   base::FeatureList::ClearInstanceForTesting();
 }
 
 blink::WebBlobRegistry* TestBlinkWebUnitTestSupport::blobRegistry() {
   return &blob_registry_;
 }
 
 blink::WebClipboard* TestBlinkWebUnitTestSupport::clipboard() {
@@ skipping 119 matching lines @@
   return BlinkPlatformImpl::currentThread();
 }
 
 void TestBlinkWebUnitTestSupport::getPluginList(
     bool refresh, blink::WebPluginListBuilder* builder) {
   builder->addPlugin("pdf", "pdf", "pdf-files");
   builder->addMediaTypeToLastPlugin("application/pdf", "pdf");
 }
 
 }  // namespace content