Accept SETTINGS_COMPRESS_DATA frames for HTTP2.

net/spdy/spdy_protocol.cc

Index: net/spdy/spdy_protocol.cc
diff --git a/net/spdy/spdy_protocol.cc b/net/spdy/spdy_protocol.cc
index 94c8144a67643dbc749053f0d662b9aeb521ea54..3fe90c2e3faee65b0d72051f49ac2be9f0c9a193 100644
--- a/net/spdy/spdy_protocol.cc
+++ b/net/spdy/spdy_protocol.cc
@@ -215,9 +215,9 @@ bool SpdyConstants::IsValidSettingId(SpdyMajorVersion version,
         return false;
       }
 
-      // INITIAL_WINDOW_SIZE is the last valid setting id.
+      // COMPRESS_DATA is the last valid setting id.
       if (setting_id_field >
-          SerializeSettingId(version, SETTINGS_INITIAL_WINDOW_SIZE)) {
+          SerializeSettingId(version, SETTINGS_COMPRESS_DATA)) {
         return false;
       }
 
@@ -261,6 +261,8 @@ SpdySettingsIds SpdyConstants::ParseSettingId(SpdyMajorVersion version,
           return SETTINGS_MAX_CONCURRENT_STREAMS;
         case 4:
           return SETTINGS_INITIAL_WINDOW_SIZE;
+        case 5:
+          return SETTINGS_COMPRESS_DATA;
       }
       break;
   }
@@ -304,6 +306,8 @@ int SpdyConstants::SerializeSettingId(SpdyMajorVersion version,
           return 3;
         case SETTINGS_INITIAL_WINDOW_SIZE:
           return 4;
+        case SETTINGS_COMPRESS_DATA:
+          return 5;
         default:
           LOG(DFATAL) << "Serializing unhandled setting id " << id;
           return -1;