Move a bunch of code in content\renderer to the content namespace.

content/renderer/dom_storage/webstoragenamespace_impl.cc

Index: content/renderer/dom_storage/webstoragenamespace_impl.cc
===================================================================
--- content/renderer/dom_storage/webstoragenamespace_impl.cc	(revision 163045)
+++ content/renderer/dom_storage/webstoragenamespace_impl.cc	(working copy)
@@ -14,6 +14,8 @@
 using WebKit::WebStorageNamespace;
 using WebKit::WebString;
 
+namespace content {
+
 WebStorageNamespaceImpl::WebStorageNamespaceImpl()
     : namespace_id_(dom_storage::kLocalStorageNamespaceId) {
 }
@@ -46,3 +48,5 @@
       static_cast<const WebStorageNamespaceImpl*>(&other);
   return namespace_id_ == other_impl->namespace_id_;
 }
+
+}  // namespace content