Revert of Revert some other possible suspects of a 0.43% size increase of setup.exe: https://build.chromium.o…

jingle/glue/chrome_async_socket_unittest.cc

Index: jingle/glue/chrome_async_socket_unittest.cc
diff --git a/jingle/glue/chrome_async_socket_unittest.cc b/jingle/glue/chrome_async_socket_unittest.cc
index 78b07a6cb372dcefa98a37fb00087ab44501295b..a7855533d2af355f645896f8d94786aca19e3ac7 100644
--- a/jingle/glue/chrome_async_socket_unittest.cc
+++ b/jingle/glue/chrome_async_socket_unittest.cc
@@ -93,6 +93,14 @@
     writes_.push_back(mock_write);
   }
 
+  bool AllReadDataConsumed() const override {
+    return reads_.empty();
+  }
+
+  bool AllWriteDataConsumed() const override {
+    return writes_.empty();
+  }
+
  private:
   std::deque<net::MockRead> reads_;
   bool has_pending_read_;