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

chrome/browser/intents/register_intent_handler_infobar_delegate_unittest.cc

Index: chrome/browser/intents/register_intent_handler_infobar_delegate_unittest.cc
diff --git a/chrome/browser/intents/register_intent_handler_infobar_delegate_unittest.cc b/chrome/browser/intents/register_intent_handler_infobar_delegate_unittest.cc
index 32dcfac897536438b781ab1e5f8d6d3a3b208045..f13920bf5364fc1e00c95e332930b0bbb15c011a 100644
--- a/chrome/browser/intents/register_intent_handler_infobar_delegate_unittest.cc
+++ b/chrome/browser/intents/register_intent_handler_infobar_delegate_unittest.cc
@@ -9,8 +9,8 @@
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/tab_contents/test_tab_contents_wrapper.h"
 #include "chrome/test/base/testing_profile.h"
-#include "content/browser/browser_thread.h"
 #include "content/browser/tab_contents/test_tab_contents.h"
+#include "content/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/glue/web_intent_service_data.h"
@@ -54,7 +54,7 @@ class RegisterIntentHandlerInfoBarDelegateTest
   MockWebIntentsRegistry* web_intents_registry_;
 
  private:
-  BrowserThread ui_thread_;
+  content::TestBrowserThread ui_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(RegisterIntentHandlerInfoBarDelegateTest);
 };