Move RefCountedMemory class to base namespace.

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

Index: chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc
===================================================================
--- chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc	(revision 134496)
+++ chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc	(working copy)
@@ -34,7 +34,7 @@
 
 NTPResourceCache::~NTPResourceCache() {}
 
-RefCountedMemory* NTPResourceCache::GetNewTabHTML(bool is_incognito) {
+base::RefCountedMemory* NTPResourceCache::GetNewTabHTML(bool is_incognito) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   // Android uses same html/css for incognito NTP and normal NTP
   if (!new_tab_html_.get())
@@ -42,7 +42,7 @@
   return new_tab_html_.get();
 }
 
-RefCountedMemory* NTPResourceCache::GetNewTabCSS(bool is_incognito) {
+base::RefCountedMemory* NTPResourceCache::GetNewTabCSS(bool is_incognito) {
   // This is used for themes, which are not currently supported on Android.
   NOTIMPLEMENTED();
   return NULL;