chrome: Move NavigateParams files out of chrome namespace.

From discussion on chromium-dev, it was decided to remove 'chrome'
namespace.

[email protected]

Bug: 289619
Change-Id: Ib1071a21f851bded91100b503f991e09d691f0ff
Reviewed-on: https://chromium-review.googlesource.com/789090
Commit-Queue: Chandramouli Sanchi <[email protected]>
Reviewed-by: Peter Kasting <[email protected]>
Cr-Commit-Position: refs/heads/master@{#521287}
diff --git a/chrome/browser/app_controller_mac_browsertest.mm b/chrome/browser/app_controller_mac_browsertest.mm
index fbca9c9..65852221 100644
--- a/chrome/browser/app_controller_mac_browsertest.mm
+++ b/chrome/browser/app_controller_mac_browsertest.mm
@@ -713,7 +713,7 @@
 
   // Test that opening a new tab updates the handoff URL.
   GURL test_url2 = embedded_test_server()->GetURL("/title2.html");
-  chrome::NavigateParams params(browser(), test_url2, ui::PAGE_TRANSITION_LINK);
+  NavigateParams params(browser(), test_url2, ui::PAGE_TRANSITION_LINK);
   params.disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
   ui_test_utils::NavigateToURL(&params);
   EXPECT_EQ(g_handoff_url, test_url2);