Move screenshot capture to Java-side.

base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java

Index: base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java
diff --git a/base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java b/base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java
index 123545294772b3b0c7c667946ef031d1110dde25..3f81cef5df607c7c61c6f13fd8548e2b9a76ae29 100644
--- a/base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java
+++ b/base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java
@@ -12,6 +12,7 @@ import android.support.test.internal.util.AndroidRunnerParams;
 import org.junit.runner.notification.RunNotifier;
 import org.junit.runners.model.FrameworkMethod;
 import org.junit.runners.model.InitializationError;
+import org.junit.runners.model.Statement;
 
 import org.chromium.base.CollectionUtil;
 import org.chromium.base.test.BaseTestResult.PreTestHook;
@@ -156,4 +157,10 @@ public class BaseJUnit4ClassRunner extends AndroidJUnit4ClassRunner {
         }
         return false;
     }
+
+    @Override
+    protected Statement withAfters(FrameworkMethod method, Object test, Statement base) {
+        base = new ScreenshotOnFailureStatement(base);
+        return super.withAfters(method, test, base);

[jbudorick, 2017/05/05 01:21:58]

nit:

  return super.withAfters(method, test, new ScreenshotOnFailureStatement(base));

?

[mikecase (-- gone --), 2017/05/05 18:09:19]

Done!

+    }
 }