Blimp: add delta encoding family of functions

blimp/net/BUILD.gn

 # Copyright 2015 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.
 
 component("net") {
   output_name = "blimp_net"
   sources = [
     "blimp_connection.cc",
     "blimp_connection.h",
     "blimp_message_checkpoint_observer.h",
@@ skipping 28 matching lines @@
     "client_connection_manager.cc",
     "client_connection_manager.h",
     "common.cc",
     "common.h",
     "compressed_packet_reader.cc",
     "compressed_packet_reader.h",
     "compressed_packet_writer.cc",
     "compressed_packet_writer.h",
     "connection_error_observer.h",
     "connection_handler.h",
+    "delta_encoding.h",
     "engine_authentication_handler.cc",
     "engine_authentication_handler.h",
     "engine_connection_manager.cc",
     "engine_connection_manager.h",
     "exact_match_cert_verifier.cc",
     "exact_match_cert_verifier.h",
     "input_message_converter.cc",
     "input_message_converter.h",
     "input_message_generator.cc",
     "input_message_generator.h",
@@ skipping 66 matching lines @@
     "blimp_message_pump_unittest.cc",
     "blimp_message_thread_pipe_unittest.cc",
     "blimp_stats_unittest.cc",
     "blob_channel/blob_channel_integration_test.cc",
     "blob_channel/blob_channel_receiver_unittest.cc",
     "blob_channel/blob_channel_sender_unittest.cc",
     "blob_channel/helium_blob_channel_unittest.cc",
     "browser_connection_handler_unittest.cc",
     "client_connection_manager_unittest.cc",
     "compressed_packet_unittest.cc",
+    "delta_encoding_unittest.cc",
     "engine_authentication_handler_unittest.cc",
     "engine_connection_manager_unittest.cc",
     "input_message_unittest.cc",
     "ssl_client_transport_unittest.cc",
     "stream_packet_reader_unittest.cc",
     "stream_packet_writer_unittest.cc",
     "tcp_transport_unittest.cc",
     "thread_pipe_manager_unittest.cc",
   ]
 
   deps = [
     ":net",
     ":test_support",
     "//base",
     "//base/test:test_support",
     "//blimp/common",
     "//blimp/common:test_support",
     "//blimp/common/proto",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/WebKit/public:blink_headers",
   ]
 }