Cleanup: Move kChromeUIScheme constant into content namespace.

chrome/browser/ui/browser_command_controller.cc

Index: chrome/browser/ui/browser_command_controller.cc
diff --git a/chrome/browser/ui/browser_command_controller.cc b/chrome/browser/ui/browser_command_controller.cc
index a85a5bc3ce4cca3f426bd413666b4cebe80a5f9f..619b5cd769b1797834639396fce497bf9128be1a 100644
--- a/chrome/browser/ui/browser_command_controller.cc
+++ b/chrome/browser/ui/browser_command_controller.cc
@@ -93,13 +93,13 @@ bool HasInternalURL(const NavigationEntry* entry) {
 
   // Check the |virtual_url()| first. This catches regular chrome:// URLs
   // including URLs that were rewritten (such as chrome://bookmarks).
-  if (entry->GetVirtualURL().SchemeIs(chrome::kChromeUIScheme))
+  if (entry->GetVirtualURL().SchemeIs(content::kChromeUIScheme))
     return true;
 
   // If the |virtual_url()| isn't a chrome:// URL, check if it's actually
   // view-source: of a chrome:// URL.
   if (entry->GetVirtualURL().SchemeIs(content::kViewSourceScheme))
-    return entry->GetURL().SchemeIs(chrome::kChromeUIScheme);
+    return entry->GetURL().SchemeIs(content::kChromeUIScheme);
 
   return false;
 }