Refactor WebSocket throttling feature.

net/socket_stream/socket_stream_throttle.cc

Index: net/socket_stream/socket_stream_throttle.cc
diff --git a/net/socket_stream/socket_stream_throttle.cc b/net/socket_stream/socket_stream_throttle.cc
deleted file mode 100644
index 6a1d20df692bd315d4b0c892672280e87a15946b..0000000000000000000000000000000000000000
--- a/net/socket_stream/socket_stream_throttle.cc
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright (c) 2009 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 <string>
-
-#include "net/socket_stream/socket_stream_throttle.h"
-
-#include "base/hash_tables.h"
-#include "base/singleton.h"
-#include "net/base/completion_callback.h"
-#include "net/socket_stream/socket_stream.h"
-
-namespace net {
-
-// Default SocketStreamThrottle.  No throttling. Used for unknown URL scheme.
-class DefaultSocketStreamThrottle : public SocketStreamThrottle {
- private:
-  DefaultSocketStreamThrottle() {}
-  virtual ~DefaultSocketStreamThrottle() {}
-  friend struct DefaultSingletonTraits<DefaultSocketStreamThrottle>;
-
-  DISALLOW_COPY_AND_ASSIGN(DefaultSocketStreamThrottle);
-};
-
-class SocketStreamThrottleRegistry {
- public:
-  SocketStreamThrottle* GetSocketStreamThrottleForScheme(
-      const std::string& scheme);
-
-  void RegisterSocketStreamThrottle(
-      const std::string& scheme, SocketStreamThrottle* throttle);
-
- private:
-  typedef base::hash_map<std::string, SocketStreamThrottle*> ThrottleMap;
-
-  SocketStreamThrottleRegistry() {}
-  ~SocketStreamThrottleRegistry() {}
-  friend struct DefaultSingletonTraits<SocketStreamThrottleRegistry>;
-
-  ThrottleMap throttles_;
-
-  DISALLOW_COPY_AND_ASSIGN(SocketStreamThrottleRegistry);
-};
-
-SocketStreamThrottle*
-SocketStreamThrottleRegistry::GetSocketStreamThrottleForScheme(
-    const std::string& scheme) {
-  ThrottleMap::const_iterator found = throttles_.find(scheme);
-  if (found == throttles_.end()) {
-    SocketStreamThrottle* throttle =
-        Singleton<DefaultSocketStreamThrottle>::get();
-    throttles_[scheme] = throttle;
-    return throttle;
-  }
-  return found->second;
-}
-
-void SocketStreamThrottleRegistry::RegisterSocketStreamThrottle(
-    const std::string& scheme, SocketStreamThrottle* throttle) {
-  throttles_[scheme] = throttle;
-}
-
-/* static */
-SocketStreamThrottle* SocketStreamThrottle::GetSocketStreamThrottleForScheme(
-    const std::string& scheme) {
-  SocketStreamThrottleRegistry* registry =
-      Singleton<SocketStreamThrottleRegistry>::get();
-  return registry->GetSocketStreamThrottleForScheme(scheme);
-}
-
-/* static */
-void SocketStreamThrottle::RegisterSocketStreamThrottle(
-    const std::string& scheme, SocketStreamThrottle* throttle) {
-  SocketStreamThrottleRegistry* registry =
-      Singleton<SocketStreamThrottleRegistry>::get();
-  registry->RegisterSocketStreamThrottle(scheme, throttle);
-}
-
-}  // namespace net