Fix DumpRenderTree2 to wait for the WebCore thread to become ready

This is required to make sure that the WebCore thread's message
handlers are ready to receive settings.

Change-Id: I2c4df95e3b7409535b739ada957d93a7e6cd78d6

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/DumpRenderTree2/src/com/android/dumprendertree2/LayoutTestsExecutor.java b/tests/DumpRenderTree2/src/com/android/dumprendertree2/LayoutTestsExecutor.java
index c0ba9e5..000770e 100644
--- a/tests/DumpRenderTree2/src/com/android/dumprendertree2/LayoutTestsExecutor.java
+++ b/tests/DumpRenderTree2/src/com/android/dumprendertree2/LayoutTestsExecutor.java
@@ -327,6 +327,13 @@ public class LayoutTestsExecutor extends Activity {
         mCurrentAdditionalTextOutput = null;
 
         mCurrentWebView = createWebViewWithJavascriptInterfaces();
+        // When we create the first WebView, we need to pause to wait for the WebView thread to spin
+        // and up and for it to register its message handlers.
+        if (previousWebView == null) {
+            try {
+                Thread.currentThread().sleep(1000);
+            } catch (Exception e) {}
+        }
         setupWebView(mCurrentWebView);
 
         mEventSender.reset(mCurrentWebView);