Move a bunch more code into the content namespace.

content/common/web_database_observer_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_WEB_DATABASE_OBSERVER_IMPL_H_
 #define CONTENT_COMMON_WEB_DATABASE_OBSERVER_IMPL_H_
 
 #include "base/memory/ref_counted.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDatabaseObserver.h"
 #include "webkit/database/database_connections.h"
 
+namespace content {
+
 class WebDatabaseObserverImpl : public WebKit::WebDatabaseObserver {
  public:
   explicit WebDatabaseObserverImpl(IPC::SyncMessageFilter* sender);
   virtual ~WebDatabaseObserverImpl();
 
   virtual void databaseOpened(const WebKit::WebDatabase& database) OVERRIDE;
   virtual void databaseModified(const WebKit::WebDatabase& database) OVERRIDE;
   virtual void databaseClosed(const WebKit::WebDatabase& database) OVERRIDE;
 
   virtual void reportOpenDatabaseResult(
@@ skipping 16 matching lines @@
 
   void WaitForAllDatabasesToClose();
 
  private:
   void HandleSqliteError(const WebKit::WebDatabase& database, int error);
 
   scoped_refptr<IPC::SyncMessageFilter> sender_;
   scoped_refptr<webkit_database::DatabaseConnectionsWrapper> open_connections_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_COMMON_WEB_DATABASE_OBSERVER_IMPL_H_