Add a Print() method to bindings JS for last resort debugging.

chrome/renderer/extensions/bindings_utils.h

Index: chrome/renderer/extensions/bindings_utils.h
diff --git a/chrome/renderer/extensions/bindings_utils.h b/chrome/renderer/extensions/bindings_utils.h
index 0d47ea6394532675170812a99371b75036620dd5..a913681a053c2438170369ef8bdff80149bd01cd 100644
--- a/chrome/renderer/extensions/bindings_utils.h
+++ b/chrome/renderer/extensions/bindings_utils.h
@@ -67,6 +67,10 @@ class ExtensionBase : public v8::Extension {
   static v8::Handle<v8::Value> GetChromeHidden(const v8::Arguments& args);
 
   ExtensionDispatcher* extension_dispatcher_;
+
+ private:
+  // Helper to print from bindings javascript.
+  static v8::Handle<v8::Value> Print(const v8::Arguments& args);
 };
 
 const char* GetStringResource(int resource_id);