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.h

 // 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.
 
 #ifndef CONTENT_COMMON_INDEXED_DB_PROXY_WEBIDBTRANSACTION_IMPL_H_
 #define CONTENT_COMMON_INDEXED_DB_PROXY_WEBIDBTRANSACTION_IMPL_H_
 
 #include "base/basictypes.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBTransaction.h"
 
 namespace WebKit {
 class WebIDBObjectStore;
 class WebIDBTransactionCallbacks;
 class WebString;
 }
 
+namespace content {
+
 class RendererWebIDBTransactionImpl : public WebKit::WebIDBTransaction {
  public:
   explicit RendererWebIDBTransactionImpl(int32 idb_transaction_id);
   virtual ~RendererWebIDBTransactionImpl();
 
   virtual WebKit::WebIDBObjectStore* objectStore(const WebKit::WebString& name,
                                                  WebKit::WebExceptionCode&);
   virtual void commit();
   virtual void abort();
   virtual void didCompleteTaskEvents();
   virtual void setCallbacks(WebKit::WebIDBTransactionCallbacks*);
 
   int id() const { return idb_transaction_id_; }
 
  private:
   int32 idb_transaction_id_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_COMMON_INDEXED_DB_PROXY_WEBIDBTRANSACTION_IMPL_H_