Remove unused WEBKIT_DEPRECATED thread

content/public/test/test_browser_thread_bundle.cc

Index: content/public/test/test_browser_thread_bundle.cc
diff --git a/content/public/test/test_browser_thread_bundle.cc b/content/public/test/test_browser_thread_bundle.cc
index 820b5945de6401c7f56a1f7f21e91e01161c8bc2..b2a5f8c10e9a2bb4ca94145bab7991efea6d02fd 100644
--- a/content/public/test/test_browser_thread_bundle.cc
+++ b/content/public/test/test_browser_thread_bundle.cc
@@ -34,8 +34,6 @@ TestBrowserThreadBundle::~TestBrowserThreadBundle() {
   base::RunLoop().RunUntilIdle();
   file_thread_.reset();
   base::RunLoop().RunUntilIdle();
-  webkit_deprecated_thread_.reset();
-  base::RunLoop().RunUntilIdle();
   db_thread_.reset();
   base::RunLoop().RunUntilIdle();
   ui_thread_.reset();
@@ -60,16 +58,6 @@ void TestBrowserThreadBundle::Init(int options) {
                                            message_loop_.get()));
   }
 
-  if (options & REAL_WEBKIT_DEPRECATED_THREAD) {
-    webkit_deprecated_thread_.reset(
-        new TestBrowserThread(BrowserThread::WEBKIT_DEPRECATED));
-    webkit_deprecated_thread_->Start();
-  } else {
-    webkit_deprecated_thread_.reset(
-        new TestBrowserThread(BrowserThread::WEBKIT_DEPRECATED,
-                              message_loop_.get()));
-  }
-
   if (options & REAL_FILE_THREAD) {
     file_thread_.reset(new TestBrowserThread(BrowserThread::FILE));
     file_thread_->Start();