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

content/renderer/websharedworker_proxy.cc

Index: content/renderer/websharedworker_proxy.cc
===================================================================
--- content/renderer/websharedworker_proxy.cc	(revision 163290)
+++ content/renderer/websharedworker_proxy.cc	(working copy)
@@ -10,6 +10,8 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSharedWorkerClient.h"
 
+namespace content {
+
 WebSharedWorkerProxy::WebSharedWorkerProxy(ChildThread* child_thread,
                                            unsigned long long document_id,
                                            bool exists,
@@ -180,3 +182,5 @@
     connect_listener_->connected();
   }
 }
+
+}  // namespace content