Cleanup: IWYU for browser_navigator.h and browser_navigator_params.h.

chrome/browser/ui/browser_navigator_browsertest.h

Index: chrome/browser/ui/browser_navigator_browsertest.h
diff --git a/chrome/browser/ui/browser_navigator_browsertest.h b/chrome/browser/ui/browser_navigator_browsertest.h
index 372f68fa042807c70f0477af07c5b6a1d2e56c9c..4964ac31f30bbda8903c328ecb2f4510d3704b31 100644
--- a/chrome/browser/ui/browser_navigator_browsertest.h
+++ b/chrome/browser/ui/browser_navigator_browsertest.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_navigator_params.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "content/public/browser/notification_types.h"
 
@@ -17,10 +18,6 @@ namespace base {
 class CommandLine;
 }
 
-namespace chrome {
-struct NavigateParams;
-}
-
 namespace content {
 class WebContents;
 }