Merge "tests: fix Continue() signatures"

diff --cc test/keyframe_test.cc
index 4244f61,a7e87a1..19c7152
--- 1/test/keyframe_test.cc
--- 2/test/keyframe_test.cc
+++ b/test/keyframe_test.cc
@@@ -24,10 -24,9 +24,10 @@@ class KeyframeTest : public ::libvpx_te
      kf_count_ = 0;
      kf_count_max_ = INT_MAX;
      kf_do_force_kf_ = false;
 +    set_cpu_used_ = 0;
    }
  
-   virtual bool Continue() {
+   virtual bool Continue() const {
      return !HasFatalFailure() && !abort_;
    }