content: Move more constants from url_constants.h into content namespace.

chrome/browser/ui/webui/ntp/new_tab_ui_browsertest.cc

Index: chrome/browser/ui/webui/ntp/new_tab_ui_browsertest.cc
diff --git a/chrome/browser/ui/webui/ntp/new_tab_ui_browsertest.cc b/chrome/browser/ui/webui/ntp/new_tab_ui_browsertest.cc
index 2534b55dc1d0165f580b9390f8bf1006a1d9f348..3b571c904b39bae52b8ef5429da541aee6c36477 100644
--- a/chrome/browser/ui/webui/ntp/new_tab_ui_browsertest.cc
+++ b/chrome/browser/ui/webui/ntp/new_tab_ui_browsertest.cc
@@ -120,13 +120,13 @@ IN_PROC_BROWSER_TEST_F(NewTabUIBrowserTest, ChromeHangInNTP) {
 
   // Navigate to chrome://hang/ to stall the process.
   ui_test_utils::NavigateToURLWithDisposition(
-      browser(), GURL(chrome::kChromeUIHangURL), CURRENT_TAB, 0);
+      browser(), GURL(content::kChromeUIHangURL), CURRENT_TAB, 0);
 
   // Visit chrome://hang/ again in another NTP. Don't bother waiting for the
   // NTP to load, because it's hung.
   chrome::NewTab(browser());
   browser()->OpenURL(OpenURLParams(
-      GURL(chrome::kChromeUIHangURL), Referrer(), CURRENT_TAB,
+      GURL(content::kChromeUIHangURL), Referrer(), CURRENT_TAB,
       content::PAGE_TRANSITION_TYPED, false));
 }
 
@@ -149,7 +149,7 @@ IN_PROC_BROWSER_TEST_F(NewTabUIProcessPerTabTest, NavBeforeNTPCommits) {
 
   // Navigate to chrome://hang/ to stall the process.
   ui_test_utils::NavigateToURLWithDisposition(
-      browser(), GURL(chrome::kChromeUIHangURL), CURRENT_TAB, 0);
+      browser(), GURL(content::kChromeUIHangURL), CURRENT_TAB, 0);
 
   // Visit a normal URL in another NTP that hasn't committed.
   ui_test_utils::NavigateToURLWithDisposition(