Experiment with redirecting all BrowserThreads (but UI/IO) to TaskScheduler

content/public/test/test_browser_thread.cc

Index: content/public/test/test_browser_thread.cc
diff --git a/content/public/test/test_browser_thread.cc b/content/public/test/test_browser_thread.cc
index ae83f78f78aad1455f8a9f98aa6c4f003ef4499b..6bf479a0fcd39bf691a6f4cc36c89308343fdfd9 100644
--- a/content/public/test/test_browser_thread.cc
+++ b/content/public/test/test_browser_thread.cc
@@ -40,15 +40,17 @@ class TestBrowserThreadImpl : public BrowserThreadImpl {
 };
 
 TestBrowserThread::TestBrowserThread(BrowserThread::ID identifier)
-    : impl_(new TestBrowserThreadImpl(identifier)) {
-}
+    : impl_(new TestBrowserThreadImpl(identifier)), identifier_(identifier) {}
 
 TestBrowserThread::TestBrowserThread(BrowserThread::ID identifier,
                                      base::MessageLoop* message_loop)
-    : impl_(new TestBrowserThreadImpl(identifier, message_loop)) {}
+    : impl_(new TestBrowserThreadImpl(identifier, message_loop)),
+      identifier_(identifier) {}
 
 TestBrowserThread::~TestBrowserThread() {
   Stop();
+  impl_.reset();
+  BrowserThreadImpl::ResetGlobalsForTesting(identifier_);
 }
 
 bool TestBrowserThread::Start() {