content: Move more constants into content namespace.

chrome/browser/autocomplete/builtin_provider_unittest.cc

Index: chrome/browser/autocomplete/builtin_provider_unittest.cc
diff --git a/chrome/browser/autocomplete/builtin_provider_unittest.cc b/chrome/browser/autocomplete/builtin_provider_unittest.cc
index b98f76859afc756d91fc4ead1cf5c8553d4b256e..5f67f1af73ceb02a53cc3127e8451dc5e04f5253 100644
--- a/chrome/browser/autocomplete/builtin_provider_unittest.cc
+++ b/chrome/browser/autocomplete/builtin_provider_unittest.cc
@@ -144,7 +144,7 @@ TEST_F(BuiltinProviderTest, ChromeURLs) {
 
   // This makes assumptions about the chrome URLs listed by the BuiltinProvider.
   // Currently they are derived from ChromePaths() in browser_about_handler.cc.
-  const string16 kHostM1 = ASCIIToUTF16(chrome::kChromeUIMediaInternalsHost);
+  const string16 kHostM1 = ASCIIToUTF16(content::kChromeUIMediaInternalsHost);
   const string16 kHostM2 = ASCIIToUTF16(chrome::kChromeUIMemoryHost);
   const GURL kURLM1 = GURL(kChrome + kSeparator3 + kHostM1);
   const GURL kURLM2 = GURL(kChrome + kSeparator3 + kHostM2);