Move a bunch of content\common code into the content namespace.

content/renderer/web_ui_bindings.cc

Index: content/renderer/web_ui_bindings.cc
===================================================================
--- content/renderer/web_ui_bindings.cc	(revision 163460)
+++ content/renderer/web_ui_bindings.cc	(working copy)
@@ -17,6 +17,7 @@
 using webkit_glue::CppArgumentList;
 using webkit_glue::CppVariant;
 
+namespace content {
 namespace {
 
 // Creates a Value which is a copy of the CppVariant |value|. All objects are
@@ -108,3 +109,5 @@
   BindProperty(name, cpp_value);
   properties_.push_back(cpp_value);
 }
+
+}  // namespace content