Reland of Enable GN check for webrtc/base

webrtc/base/BUILD.gn

Index: webrtc/base/BUILD.gn
diff --git a/webrtc/base/BUILD.gn b/webrtc/base/BUILD.gn
index a3ee03f4ba0f30783e87ef7111fb5894d7dbb09c..2a17d923ad1b90bf4f8af339b9aa0ba592c3dbf3 100644
--- a/webrtc/base/BUILD.gn
+++ b/webrtc/base/BUILD.gn
@@ -92,6 +92,10 @@ source_set("protobuf_utils") {
 
 # The subset of rtc_base approved for use outside of libjingle.
 rtc_static_library("rtc_base_approved") {
+  # TODO(kjellander): Remove (bugs.webrtc.org/7480)
+  # Enabling GN check triggers a cyclic dependency caused by rate_limiter.cc:
+  #   :rtc_base_approved -> //webrtc/system_wrappers -> :rtc_base_approved
+  check_includes = false
   defines = []
   libs = []
   deps = []
@@ -136,8 +140,6 @@ rtc_static_library("rtc_base_approved") {
     "location.h",
     "md5.cc",
     "md5.h",
-    "md5digest.cc",
-    "md5digest.h",
     "mod_ops.h",
     "onetimeevent.h",
     "optional.cc",
@@ -172,6 +174,7 @@ rtc_static_library("rtc_base_approved") {
     "string_to_number.h",
     "stringencode.cc",
     "stringencode.h",
+    "stringize_macros.h",
     "stringutils.cc",
     "stringutils.h",
     "swap_queue.h",
@@ -655,78 +658,84 @@ rtc_source_set("gtest_prod") {
   ]
 }
 
-if (rtc_include_tests) {
-  config("rtc_base_tests_utils_exported_config") {
-    defines = [ "GTEST_RELATIVE_PATH" ]
-  }
+config("rtc_base_tests_utils_exported_config") {
+  defines = [ "GTEST_RELATIVE_PATH" ]
+}
 
-  config("rtc_base_tests_utils_warnings_config") {
-    if (is_win && is_clang) {
-      cflags = [
-        # See https://bugs.chromium.org/p/webrtc/issues/detail?id=6270
-        "-Wno-reorder",
-        "-Wno-sign-compare",
-      ]
-    }
+config("rtc_base_tests_utils_warnings_config") {
+  if (is_win && is_clang) {
+    cflags = [
+      # See https://bugs.chromium.org/p/webrtc/issues/detail?id=6270
+      "-Wno-reorder",
+      "-Wno-sign-compare",
+    ]
   }
+}
 
-  rtc_source_set("rtc_base_tests_main") {
-    testonly = true
-    sources = [
-      "unittest_main.cc",
-    ]
-    public_configs = [ ":rtc_base_tests_utils_exported_config" ]
-    deps = [
-      ":rtc_base_tests_utils",
-    ]
-    public_deps = [
-      "//testing/gmock",
-      "//testing/gtest",
-    ]
+rtc_source_set("rtc_base_tests_utils") {
+  testonly = true
+  sources = [
+    # Also use this as a convenient dumping ground for misc files that are
+    # included by multiple targets below.
+    "cpu_time.cc",
+    "cpu_time.h",
+    "fakeclock.cc",
+    "fakeclock.h",
+    "fakenetwork.h",
+    "fakesslidentity.h",
+    "firewallsocketserver.cc",
+    "firewallsocketserver.h",
+    "gunit.h",
+    "httpserver.cc",
+    "httpserver.h",
+    "md5digest.cc",
+    "md5digest.h",
+    "memory_usage.cc",
+    "memory_usage.h",
+    "natserver.cc",
+    "natserver.h",
+    "natsocketfactory.cc",
+    "natsocketfactory.h",
+    "nattypes.cc",
+    "nattypes.h",
+    "proxyserver.cc",
+    "proxyserver.h",
+    "sigslottester.h",
+    "sigslottester.h.pump",
+    "testbase64.h",
+    "testechoserver.h",
+    "testutils.h",
+    "timedelta.h",
+  ]
+  configs += [ ":rtc_base_tests_utils_warnings_config" ]
+  public_configs = [ ":rtc_base_tests_utils_exported_config" ]
+  deps = [
+    ":rtc_base",
+    "../test:field_trial",
+    "../test:test_support",
+  ]
+  public_deps = [
+    "//testing/gmock",
+    "//testing/gtest",
+  ]
 
-    if (!build_with_chromium && is_clang) {
-      # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
-      suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
-    }
+  if (!build_with_chromium && is_clang) {
+    # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
+    suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
   }
+}
 
-  rtc_source_set("rtc_base_tests_utils") {
+if (rtc_include_tests) {
+  rtc_source_set("rtc_base_tests_main") {
     testonly = true
     sources = [
-      # Also use this as a convenient dumping ground for misc files that are
-      # included by multiple targets below.
-      "cpu_time.cc",
-      "cpu_time.h",
-      "fakeclock.cc",
-      "fakeclock.h",
-      "fakenetwork.h",
-      "fakesslidentity.h",
-      "firewallsocketserver.cc",
-      "firewallsocketserver.h",
-      "gunit.h",
-      "httpserver.cc",
-      "httpserver.h",
-      "memory_usage.cc",
-      "memory_usage.h",
-      "natserver.cc",
-      "natserver.h",
-      "natsocketfactory.cc",
-      "natsocketfactory.h",
-      "nattypes.cc",
-      "nattypes.h",
-      "proxyserver.cc",
-      "proxyserver.h",
-      "sigslottester.h",
-      "sigslottester.h.pump",
-      "testbase64.h",
-      "testechoserver.h",
-      "testutils.h",
-      "timedelta.h",
+      "unittest_main.cc",
     ]
-    configs += [ ":rtc_base_tests_utils_warnings_config" ]
     public_configs = [ ":rtc_base_tests_utils_exported_config" ]
     deps = [
       ":rtc_base",
+      ":rtc_base_approved",
+      ":rtc_base_tests_utils",
       "../test:field_trial",
       "../test:test_support",
     ]
@@ -763,6 +772,9 @@ if (rtc_include_tests) {
     deps = [
       ":rtc_base",
       ":rtc_base_tests_main",
+      ":rtc_base_tests_utils",
+      "../system_wrappers:system_wrappers",
+      "../test:test_support",
       "//testing/gtest",
     ]
     if (is_win) {
@@ -817,6 +829,7 @@ if (rtc_include_tests) {
       "safe_minmax_unittest.cc",
       "string_to_number_unittest.cc",
       "stringencode_unittest.cc",
+      "stringize_macros_unittest.cc",
       "stringutils_unittest.cc",
       "swap_queue_unittest.cc",
       "thread_annotations_unittest.cc",
@@ -825,8 +838,13 @@ if (rtc_include_tests) {
       "timeutils_unittest.cc",
     ]
     deps = [
+      ":rtc_base",
       ":rtc_base_approved",
       ":rtc_base_tests_main",
+      ":rtc_base_tests_utils",
+      ":rtc_task_queue",
+      "../system_wrappers:system_wrappers",
+      "../test:test_support",
     ]
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
@@ -850,7 +868,9 @@ if (rtc_include_tests) {
     ]
     deps = [
       ":rtc_base_tests_main",
+      ":rtc_base_tests_utils",
       ":rtc_task_queue",
+      "../test:test_support",
     ]
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
@@ -872,8 +892,10 @@ if (rtc_include_tests) {
       "numerics/percentile_filter_unittest.cc",
     ]
     deps = [
+      ":rtc_base_approved",
       ":rtc_base_tests_main",
       ":rtc_numerics",
+      "../test:test_support",
     ]
   }
 
@@ -939,6 +961,8 @@ if (rtc_include_tests) {
     }
     deps = [
       ":rtc_base_tests_main",
+      ":rtc_base_tests_utils",
+      "../test:test_support",
     ]
     public_deps = [
       ":rtc_base",