GN: Change rtc_source_set targets --> rtc_static_library

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("//third_party/protobuf/proto_library.gni")
 import("../build/webrtc.gni")
 
-rtc_source_set("tools") {
+group("tools") {
   deps = [
     ":command_line_parser",
   ]
 
   if (!build_with_chromium) {
     # TODO(kjellander): Enable these when webrtc:5970 is fixed.
     deps += [
       ":frame_analyzer",
       ":rgba_to_i420_converter",
     ]
   }
 }
 
-rtc_source_set("command_line_parser") {
+rtc_static_library("command_line_parser") {
   sources = [
     "simple_command_line_parser.cc",
     "simple_command_line_parser.h",
   ]
   deps = [
     "../base:gtest_prod",
   ]
 }
 
-rtc_source_set("video_quality_analysis") {
+rtc_static_library("video_quality_analysis") {
   sources = [
     "frame_analyzer/video_quality_analysis.cc",
     "frame_analyzer/video_quality_analysis.h",
   ]
 
   deps = [
     "../common_video",
   ]
   public_deps = [
     "../common_video",
@@ skipping 31 matching lines @@
     "converter/rgba_to_i420_converter.cc",
   ]
 
   deps = [
     ":command_line_parser",
     "../common_video",
     "//build/win:default_exe_manifest",
   ]
 }
 
-rtc_source_set("frame_editing_lib") {
+rtc_static_library("frame_editing_lib") {
   sources = [
     "frame_editing/frame_editing_lib.cc",
     "frame_editing/frame_editing_lib.h",
   ]
 
   # TODO(jschuh): Bug 1348: fix this warning.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   if (is_clang) {
     # Suppress warnings from the Chromium Clang plugin.
@@ skipping 40 matching lines @@
 }
 
 if (rtc_enable_protobuf) {
   proto_library("chart_proto") {
     sources = [
       "event_log_visualizer/chart.proto",
     ]
     proto_out_dir = "webrtc/tools/event_log_visualizer"
   }
 
-  rtc_source_set("event_log_visualizer_utils") {
+  rtc_static_library("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",
     ]
@@ skipping 120 matching lines @@
       ]
       outputs = [
         "$root_build_dir/{{source_file_part}}",
       ]
       deps = [
         "..:rtc_event_log_proto",
       ]
     }
   }
 }