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

content/common/indexed_db/proxy_webidbtransaction_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/indexed_db/proxy_webidbtransaction_impl.h"
 
 #include "content/common/indexed_db/indexed_db_messages.h"
 #include "content/common/indexed_db/indexed_db_dispatcher.h"
 #include "content/common/indexed_db/proxy_webidbobjectstore_impl.h"
 #include "content/common/child_thread.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBObjectStore.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBTransactionCallbacks.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 
 using WebKit::WebIDBObjectStore;
 using WebKit::WebIDBTransactionCallbacks;
 using WebKit::WebString;
 
+namespace content {
+
 RendererWebIDBTransactionImpl::RendererWebIDBTransactionImpl(
     int32 idb_transaction_id)
     : idb_transaction_id_(idb_transaction_id) {
 }
 
 RendererWebIDBTransactionImpl::~RendererWebIDBTransactionImpl() {
   // It's not possible for there to be pending callbacks that address this
   // object since inside WebKit, they hold a reference to the object wich owns
   // this object. But, if that ever changed, then we'd need to invalidate
   // any such pointers.
@@ skipping 29 matching lines @@
           idb_transaction_id_));
 }
 
 void RendererWebIDBTransactionImpl::setCallbacks(
     WebIDBTransactionCallbacks* callbacks) {
   IndexedDBDispatcher* dispatcher =
       IndexedDBDispatcher::ThreadSpecificInstance();
   dispatcher->RegisterWebIDBTransactionCallbacks(callbacks,
                                                  idb_transaction_id_);
 }
+
+}  // namespace content