Define a protobuf format for representing plots

webrtc/tools/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//testing/test.gni")
+import("//third_party/protobuf/proto_library.gni")
 import("../build/webrtc.gni")
 
 source_set("tools") {
   deps = [
     ":command_line_parser",
   ]
 
   if (!build_with_chromium) {
     # TODO(kjellander): Enable these when webrtc:5970 is fixed.
     deps += [
@@ skipping 148 matching lines @@
   sources = [
     "agc/test_utils.cc",
     "agc/test_utils.h",
   ]
 
   configs += [ "..:common_config" ]
   public_configs = [ "..:common_inherited_config" ]
 }
 
 if (rtc_enable_protobuf) {
+  proto_library("graph_proto") {
+    sources = [
+      "event_log_visualizer/graph.proto",
+    ]
+    proto_out_dir = "webrtc/tools/event_log_visualizer"
+  }
+
   source_set("event_log_visualizer_utils") {
     sources = [
       "event_log_visualizer/analyzer.cc",
       "event_log_visualizer/analyzer.h",
       "event_log_visualizer/plot_base.cc",
       "event_log_visualizer/plot_base.h",
+      "event_log_visualizer/plot_protobuf.cc",
+      "event_log_visualizer/plot_protobuf.h",
       "event_log_visualizer/plot_python.cc",
       "event_log_visualizer/plot_python.h",
     ]
     configs += [ "..:common_config" ]
     public_configs = [ "..:common_inherited_config" ]
     if (is_clang && !is_nacl) {
       # Suppress warnings from the Chromium Clang plugin.
       # See http://code.google.com/p/webrtc/issues/detail?id=163 for details.
       configs -= [ "//build/config/clang:find_bad_constructs" ]
     }
     defines = [ "ENABLE_RTC_EVENT_LOG" ]
     deps = [
       "../:rtc_event_log",
       "../:rtc_event_log_parser",
       "../modules/congestion_controller:congestion_controller",
       "../modules/rtp_rtcp:rtp_rtcp",
       "../system_wrappers:system_wrappers_default",
       "//build/config/sanitizers:deps",
     ]
     public_deps = [
+      ":graph_proto",
       "../:rtc_event_log_parser",
     ]
   }
 }
 
 # Exclude tools depending on gflags since that's not available in Chromium.
 if (rtc_include_tests) {
   if (rtc_enable_protobuf) {
     executable("event_log_visualizer") {
       testonly = true
@@ skipping 144 matching lines @@
       ]
       outputs = [
         "$root_build_dir/{{source_file_part}}",
       ]
       deps = [
         "..:rtc_event_log_proto",
       ]
     }
   }
 }