Move base/values.h into the base namespace.

chrome/renderer/print_web_view_helper.h

Index: chrome/renderer/print_web_view_helper.h
===================================================================
--- chrome/renderer/print_web_view_helper.h	(revision 91508)
+++ chrome/renderer/print_web_view_helper.h	(working copy)
@@ -16,11 +16,16 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h"
 #include "ui/gfx/size.h"
 
-class DictionaryValue;
 struct PrintMsg_Print_Params;
 struct PrintMsg_PrintPage_Params;
 struct PrintMsg_PrintPages_Params;
 
+namespace base {
+class DictionaryValue;
+}
+
+using base::DictionaryValue;
+
 // Class that calls the Begin and End print functions on the frame and changes
 // the size of the view temporarily to support full page printing..
 // Do not serve any events in the time between construction and destruction of