GN: Introduce templates.

webrtc/media/BUILD.gn

Index: webrtc/media/BUILD.gn
diff --git a/webrtc/media/BUILD.gn b/webrtc/media/BUILD.gn
index df4e3d2d0021d8d9e1ed3da6e512d94ee3f00aa0..1a526a6a49f622e2655185687d22509ee3c5a864 100644
--- a/webrtc/media/BUILD.gn
+++ b/webrtc/media/BUILD.gn
@@ -8,7 +8,6 @@
 
 import("//build/config/linux/pkg_config.gni")
 import("../build/webrtc.gni")
-import("//testing/test.gni")
 
 group("media") {
   deps = [
@@ -43,7 +42,7 @@ if (is_linux && rtc_use_gtk) {
   }
 }
 
-source_set("rtc_media") {
+rtc_source_set("rtc_media") {
   defines = []
   libs = []
   deps = []
@@ -127,7 +126,7 @@ source_set("rtc_media") {
 
   if (is_clang) {
     # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
-    configs -= [
+    suppressed_configs += [
       "//build/config/clang:extra_warnings",
       "//build/config/clang:find_bad_constructs",
     ]
@@ -227,7 +226,7 @@ if (rtc_include_tests) {
     }
   }
 
-  source_set("rtc_unittest_main") {
+  rtc_source_set("rtc_unittest_main") {
     testonly = true
 
     include_dirs = []
@@ -268,7 +267,7 @@ if (rtc_include_tests) {
     if (is_clang) {
       # 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" ]
+      suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
 
     deps += [
@@ -320,7 +319,7 @@ if (rtc_include_tests) {
     }
   }
 
-  test("rtc_media_unittests") {
+  rtc_test("rtc_media_unittests") {
     testonly = true
 
     defines = []
@@ -369,7 +368,7 @@ if (rtc_include_tests) {
 
     if (is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
-      configs -= [
+      suppressed_configs += [
         "//build/config/clang:extra_warnings",
         "//build/config/clang:find_bad_constructs",
       ]