net: refactor SSLNonSensitiveHostInfo

This code is currently unused in the tree, so the refactoring is
'safe'. The code needed to write tests is still pending.

BUG=none
TEST=none (yet)

http://codereview.chromium.org/3381014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60227 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 8 insertions, 1 deletions

diff --git a/net/base/ssl_non_sensitive_host_info.h b/net/base/ssl_non_sensitive_host_info.h
index cac5a72..88d5cef 100644
--- a/net/base/ssl_non_sensitive_host_info.h
+++ b/net/base/ssl_non_sensitive_host_info.h
@@ -18,7 +18,10 @@ namespace net {
 class SSLNonSensitiveHostInfo :
     public base::RefCountedThreadSafe<SSLNonSensitiveHostInfo> {
  public:
-  virtual ~SSLNonSensitiveHostInfo() { }
+  // Start will commence the lookup. This must be called before any other
+  // methods. By opportunistically calling this early, it may be possible to
+  // overlap this object's lookup and reduce latency.
+  virtual void Start() = 0;
 
   // WaitForDataReady returns OK if the fetch of the requested data has
   // completed. Otherwise it returns ERR_IO_PENDING and will call |callback| on
@@ -42,6 +45,10 @@ class SSLNonSensitiveHostInfo :
   // this object and the store operation will still complete. This can only be
   // called once WaitForDataReady has returned OK or called its callback.
   virtual void Set(const std::string& new_data) = 0;
+
+ protected:
+  friend class base::RefCountedThreadSafe<SSLNonSensitiveHostInfo>;
+  virtual ~SSLNonSensitiveHostInfo() { }
 };
 
 }  // namespace net