Move a bunch of code in content\common (as well as a few left in renderer) to the content namespace.

content/renderer/websharedworkerrepository_impl.cc

Index: content/renderer/websharedworkerrepository_impl.cc
===================================================================
--- content/renderer/websharedworkerrepository_impl.cc	(revision 163290)
+++ content/renderer/websharedworkerrepository_impl.cc	(working copy)
@@ -8,6 +8,8 @@
 #include "content/common/view_messages.h"
 #include "content/renderer/websharedworker_proxy.h"
 
+namespace content {
+
 WebSharedWorkerRepositoryImpl::WebSharedWorkerRepositoryImpl() {}
 
 WebSharedWorkerRepositoryImpl::~WebSharedWorkerRepositoryImpl() {}
@@ -29,3 +31,5 @@
 bool WebSharedWorkerRepositoryImpl::hasSharedWorkers(DocumentID document) {
   return shared_worker_parents_.find(document) != shared_worker_parents_.end();
 }
+
+}  // namespace content