Allow multiple logging::LogMessage{Handler,Listener}s

chrome/browser/media/webrtc_browsertest_base.cc

Index: chrome/browser/media/webrtc_browsertest_base.cc
diff --git a/chrome/browser/media/webrtc_browsertest_base.cc b/chrome/browser/media/webrtc_browsertest_base.cc
index 9a40c5b80c4497e6362c276edf227dd8e715f7b8..1fbb617ecadb0761593f653217b7419ed60faa86 100644
--- a/chrome/browser/media/webrtc_browsertest_base.cc
+++ b/chrome/browser/media/webrtc_browsertest_base.cc
@@ -124,13 +124,14 @@ class PermissionRequestObserver : public PermissionBubbleManager::Observer {
 WebRtcTestBase::WebRtcTestBase(): detect_errors_in_javascript_(false) {
   // The handler gets set for each test method, but that's fine since this
   // set operation is idempotent.
-  logging::SetLogMessageHandler(&JavascriptErrorDetectingLogHandler);
+  logging::PushLogMessageHandler(&JavascriptErrorDetectingLogHandler);
   hit_javascript_errors_.Get() = false;
 
   EnablePixelOutput();
 }
 
 WebRtcTestBase::~WebRtcTestBase() {
+  logging::PopLogMessageHandler();
   if (detect_errors_in_javascript_) {
     EXPECT_FALSE(hit_javascript_errors_.Get())
         << "Encountered javascript errors during test execution (Search "