Dedicated speed test for NetEq4

This CL implements a new speed test application for NetEq4.
The application runs a minimum of overhead in order to
highlight the performance of NetEq itself.

BUG=1363
R=minyue@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2177006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4763 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/audio_coding/neteq4/neteq_tests.gypi

@@ -137,6 +137,20 @@
       ],
     },
 
+    {
+      'target_name': 'neteq4_speed_test',
+      'type': 'executable',
+      'dependencies': [
+        'NetEq4',
+        'neteq_unittest_tools',
+        'PCM16B',
+        '<(DEPTH)/third_party/gflags/gflags.gyp:gflags',
+      ],
+      'sources': [
+        'test/neteq_speed_test.cc',
+      ],
+    },
+
     {
      'target_name': 'NetEq4TestTools',
       # Collection of useful functions used in other tests.