GN: Add video_engine_tests

webrtc/call/BUILD.gn

Index: webrtc/call/BUILD.gn
diff --git a/webrtc/call/BUILD.gn b/webrtc/call/BUILD.gn
index 15a3560d918bcb63ce796c3cd83cc66b59910793..5b428f72e9bb17f95c1385464d5a3353b61739b0 100644
--- a/webrtc/call/BUILD.gn
+++ b/webrtc/call/BUILD.gn
@@ -35,3 +35,26 @@ source_set("call") {
     "../video",
   ]
 }
+
+if (rtc_include_tests) {
+  source_set("call_tests") {
+    testonly = true

[kjellander_webrtc, 2016/06/13 05:15:46]

Either keep the old name "video_engine_tests" for now or land another CL
(synchronized with me) to rename the GYP test target first.

+    sources = [
+      "bitrate_allocator_unittest.cc",
+      "bitrate_estimator_tests.cc",
+      "call_unittest.cc",
+      "packet_injection_tests.cc",
+      "ringbuffer_unittest.cc",
+    ]
+    deps = [
+      ":call",
+      "//testing/gmock",
+      "//testing/gtest",
+    ]
+    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" ]
+    }
+  }
+}