Adds UMA histogram for system delay jumps

webrtc/modules/audio_processing/audio_processing_tests.gypi

Index: webrtc/modules/audio_processing/audio_processing_tests.gypi
diff --git a/webrtc/modules/audio_processing/audio_processing_tests.gypi b/webrtc/modules/audio_processing/audio_processing_tests.gypi
index a05c67b13065774e60a61b8b3e70f1b8d79006e5..19b9ddf596ac58a1eee4b0721af4a93f014e74e8 100644
--- a/webrtc/modules/audio_processing/audio_processing_tests.gypi
+++ b/webrtc/modules/audio_processing/audio_processing_tests.gypi
@@ -111,6 +111,7 @@
             'audioproc_protobuf_utils',
             '<(DEPTH)/testing/gtest.gyp:gtest',
             '<(webrtc_root)/system_wrappers/system_wrappers.gyp:system_wrappers',
+            '<(webrtc_root)/system_wrappers/system_wrappers.gyp:system_wrappers_default',

[hlundin-webrtc, 2015/06/29 08:53:18]

Why did you have to add this?

[bjornv1, 2015/06/29 10:40:23]

We need a default implementation of metrics.

[hlundin-webrtc, 2015/06/29 10:55:05]

Acknowledged.

             '<(webrtc_root)/test/test.gyp:test_support',
           ],
           'sources': [ 'test/process_test.cc', ],
@@ -123,6 +124,7 @@
             'audioproc_debug_proto',
             'audioproc_test_utils',
             'audioproc_protobuf_utils',
+            '<(webrtc_root)/system_wrappers/system_wrappers.gyp:system_wrappers_default',
             '<(webrtc_root)/test/test.gyp:test_support',
             '<(DEPTH)/third_party/gflags/gflags.gyp:gflags',
           ],