[inspector] use same schedulePauseOnNextStatement strategy for Debugger.pause

test/inspector/protocol-test.js

Index: test/inspector/protocol-test.js
diff --git a/test/inspector/protocol-test.js b/test/inspector/protocol-test.js
index ff06a96521c960db4c04d94d24bd6a69b87aa046..4d44ac08c8cec6cd30636c6f017bc1eec1d70f6c 100644
--- a/test/inspector/protocol-test.js
+++ b/test/inspector/protocol-test.js
@@ -152,7 +152,8 @@ InspectorTest.logSourceLocation = function(location)
   }
   var script = InspectorTest._scriptMap.get(scriptId);
   if (!script.scriptSource) {
-    return Protocol.Debugger.getScriptSource({ scriptId })
+    // TODO(kozyatinskiy): doesn't assume that contextId == contextGroupId.
+    return Protocol.Debugger.getScriptSource({ scriptId }, script.executionContextId)
       .then(message => script.scriptSource = message.result.scriptSource)
       .then(dumpSourceWithLocation);
   }