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

chrome/test/base/browser_with_test_window_test.h

Index: chrome/test/base/browser_with_test_window_test.h
diff --git a/chrome/test/base/browser_with_test_window_test.h b/chrome/test/base/browser_with_test_window_test.h
index fc70d95c2e5fcb3054c448387684e94f94405a8b..514c394b4b817cff2c999fea21dc12976fde7edd 100644
--- a/chrome/test/base/browser_with_test_window_test.h
+++ b/chrome/test/base/browser_with_test_window_test.h
@@ -10,8 +10,8 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/test_browser_window.h"
 #include "chrome/test/base/testing_profile.h"
-#include "content/browser/browser_thread.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
+#include "content/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class GURL;
@@ -97,8 +97,8 @@ class BrowserWithTestWindowTest : public testing::Test {
  private:
   // We need to create a MessageLoop, otherwise a bunch of things fails.
   MessageLoopForUI ui_loop_;
-  BrowserThread ui_thread_;
-  BrowserThread file_thread_;
+  content::TestBrowserThread ui_thread_;
+  content::TestBrowserThread file_thread_;
 
   scoped_ptr<TestingProfile> profile_;
   scoped_ptr<TestBrowserWindow> window_;