Move a bunch more code into the content namespace.

content/browser/ssl/ssl_policy_backend.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_BROWSER_SSL_SSL_POLICY_BACKEND_H_
 #define CONTENT_BROWSER_SSL_SSL_POLICY_BACKEND_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/string16.h"
 #include "net/base/x509_certificate.h"
 
+class SSLHostState;
+
+namespace content {
 class NavigationControllerImpl;
-class SSLHostState;
+}
 
 class SSLPolicyBackend {
  public:
-  explicit SSLPolicyBackend(NavigationControllerImpl* controller);
+  explicit SSLPolicyBackend(content::NavigationControllerImpl* controller);
 
   // Records that a host has run insecure content.
   void HostRanInsecureContent(const std::string& host, int pid);
 
   // Returns whether the specified host ran insecure content.
   bool DidHostRunInsecureContent(const std::string& host, int pid) const;
 
   // Records that |cert| is permitted to be used for |host| in the future.
   void DenyCertForHost(net::X509Certificate* cert, const std::string& host);
 
   // Records that |cert| is not permitted to be used for |host| in the future.
   void AllowCertForHost(net::X509Certificate* cert, const std::string& host);
 
   // Queries whether |cert| is allowed or denied for |host|.
   net::CertPolicy::Judgment QueryPolicy(
       net::X509Certificate* cert, const std::string& host);
 
  private:
   // SSL state specific for each host.
   SSLHostState* ssl_host_state_;
 
-  NavigationControllerImpl* controller_;
+  content::NavigationControllerImpl* controller_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLPolicyBackend);
 };
 
 #endif  // CONTENT_BROWSER_SSL_SSL_POLICY_BACKEND_H_