Split BrowserThread into public API and private implementation, step 1.

chrome/browser/safe_browsing/download_protection_service_unittest.cc

Index: chrome/browser/safe_browsing/download_protection_service_unittest.cc
diff --git a/chrome/browser/safe_browsing/download_protection_service_unittest.cc b/chrome/browser/safe_browsing/download_protection_service_unittest.cc
index 308fc2fe36a1ae04707dc55715863968f3e0a57e..b3bb492bfd183fdd5dd95931e5a1d22c54187ce1 100644
--- a/chrome/browser/safe_browsing/download_protection_service_unittest.cc
+++ b/chrome/browser/safe_browsing/download_protection_service_unittest.cc
@@ -12,10 +12,10 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
-#include "chrome/common/safe_browsing/csd.pb.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
-#include "content/browser/browser_thread.h"
+#include "chrome/common/safe_browsing/csd.pb.h"
 #include "content/common/net/url_fetcher.h"
+#include "content/test/test_browser_thread.h"
 #include "content/test/test_url_fetcher_factory.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -41,8 +41,10 @@ class MockSafeBrowsingService : public SafeBrowsingService {
 class DownloadProtectionServiceTest : public testing::Test {
  protected:
   virtual void SetUp() {
-    ui_thread_.reset(new BrowserThread(BrowserThread::UI, &msg_loop_));
-    io_thread_.reset(new BrowserThread(BrowserThread::IO, &msg_loop_));
+    ui_thread_.reset(new content::TestBrowserThread(BrowserThread::UI,
+                                                    &msg_loop_));
+    io_thread_.reset(new content::TestBrowserThread(BrowserThread::IO,
+                                                    &msg_loop_));
     sb_service_ = new MockSafeBrowsingService();
     download_service_ = new DownloadProtectionService(sb_service_.get(),
                                                       NULL);
@@ -84,8 +86,8 @@ class DownloadProtectionServiceTest : public testing::Test {
   scoped_refptr<DownloadProtectionService> download_service_;
   MessageLoop msg_loop_;
   DownloadProtectionService::DownloadCheckResult result_;
-  scoped_ptr<BrowserThread> io_thread_;
-  scoped_ptr<BrowserThread> ui_thread_;
+  scoped_ptr<content::TestBrowserThread> io_thread_;
+  scoped_ptr<content::TestBrowserThread> ui_thread_;
 };
 
 TEST_F(DownloadProtectionServiceTest, CheckClientDownloadInvalidUrl) {