Save pipelining capabilities for the most used hosts between sessions.

net/http/http_server_properties.h

Index: net/http/http_server_properties.h
diff --git a/net/http/http_server_properties.h b/net/http/http_server_properties.h
index 51171c23c21de6f48ef870c847e4fbc791eee663..cd4ae4bfd8d631fb8aead6670715201fd687dd53 100644
--- a/net/http/http_server_properties.h
+++ b/net/http/http_server_properties.h
@@ -10,6 +10,7 @@
 #include "base/basictypes.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
+#include "net/http/http_pipelined_host_capability.h"
 #include "net/spdy/spdy_framer.h"  // TODO(willchan): Reconsider this.
 
 namespace net {
@@ -35,6 +36,8 @@ struct NET_EXPORT PortAlternateProtocolPair {
 
 typedef std::map<HostPortPair, PortAlternateProtocolPair> AlternateProtocolMap;
 typedef std::map<HostPortPair, spdy::SpdySettings> SpdySettingsMap;
+typedef std::map<HostPortPair,
+        HttpPipelinedHostCapability> PipelineCapabilityMap;
 
 extern const char kAlternateProtocolHeader[];
 extern const char* const kAlternateProtocolStrings[NUM_ALTERNATE_PROTOCOLS];
@@ -95,6 +98,17 @@ class NET_EXPORT HttpServerProperties {
   // Returns all persistent SpdySettings.
   virtual const SpdySettingsMap& spdy_settings_map() const = 0;
 
+  virtual HttpPipelinedHostCapability GetPipelineCapability(
+      const HostPortPair& origin) = 0;
+
+  virtual void SetPipelineCapability(
+      const HostPortPair& origin,
+      HttpPipelinedHostCapability capability) = 0;
+
+  virtual void ClearPipelineCapabilities() = 0;
+
+  virtual PipelineCapabilityMap GetPipelineCapabilityMap() const = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(HttpServerProperties);
 };