Add a TestBrowserThreadBundle to Shared Worker tests

content/browser/shared_worker/shared_worker_instance_unittest.cc

 // Copyright 2014 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 "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/shared_worker/shared_worker_instance.h"
 #include "content/browser/shared_worker/worker_storage_partition.h"
 #include "content/public/test/test_browser_context.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 class SharedWorkerInstanceTest : public testing::Test {
  protected:
   SharedWorkerInstanceTest()
       : browser_context_(new TestBrowserContext()),
         partition_(
             new WorkerStoragePartition(browser_context_->GetRequestContext(),
                                        NULL,
                                        NULL,
                                        NULL,
                                        NULL,
                                        NULL,
                                        NULL,
                                        NULL)),
         partition_id_(*partition_.get()) {}
 
   bool Matches(const SharedWorkerInstance& instance,
                const std::string& url,
                const base::StringPiece& name) {
     return instance.Matches(GURL(url),
                             base::ASCIIToUTF16(name),
                             partition_id_,
                             browser_context_->GetResourceContext());
   }
 
+  TestBrowserThreadBundle thread_bundle_;

[horo, 2014/08/07 04:29:38]

Sorry I can't understand why we need TestBrowserThreadBundle in
SharedWorkerInstanceTest.
Could you please write comments about why we need it?

   scoped_ptr<TestBrowserContext> browser_context_;
   scoped_ptr<WorkerStoragePartition> partition_;
   const WorkerStoragePartitionId partition_id_;
 
   DISALLOW_COPY_AND_ASSIGN(SharedWorkerInstanceTest);
 };
 
 TEST_F(SharedWorkerInstanceTest, MatchesTest) {
   SharedWorkerInstance instance1(GURL("http://example.com/w.js"),
                                  base::string16(),
@@ skipping 24 matching lines @@
   EXPECT_TRUE(Matches(instance2, "http://example.com/w2.js", "name"));
   EXPECT_FALSE(Matches(instance2, "http://example.net/w.js", "name"));
   EXPECT_FALSE(Matches(instance2, "http://example.net/w2.js", "name"));
   EXPECT_FALSE(Matches(instance2, "http://example.com/w.js", "name2"));
   EXPECT_FALSE(Matches(instance2, "http://example.com/w2.js", "name2"));
   EXPECT_FALSE(Matches(instance2, "http://example.net/w.js", "name2"));
   EXPECT_FALSE(Matches(instance2, "http://example.net/w2.js", "name2"));
 }
 
 }  // namespace content